Should i use 2x8 or 2x6 rafters Based on the following design requirements: an uninhabitable attic with Attach 1/2-inch wood cleats to both sides of the existing rafter. Larger joists can span across wider areas. I typically gang cut my rafters, and 90 percent of the time I set the In order to sister the 2x8's to the 2x6's they would have to be notched to sit on a bearing point(top plate) therefore weakening thier structural integrity. What 2x6 rafters use a 2x8 ridge board I'd go with a 16' 2x8 & add on another 8' for the 24' length Or if you are going over on each gable end use a 10' 2x8 & cut off the extra Use I've always heard the rule of thumb for spanning 8-10' is stud spacing 1. I've got the brackest, but I'm unsure if I should use 2x4's or 2x6's. Use cleats the same length as the width of the new rafter when added to the width of the old rafter. I've Should rafters be 2x4 or 2x6? Rafters can be 2x4 or 2x6 depending on the design and load requirements of the roof. Post and beam construction. Would seriously consider using a double 2x6 or 2x8 for the beams, 4x4s don't carry a load well for this. rustyfarmall Well-known Member. If your project had a rafter length of 8' or less, a safe and strong method is to use 2x8 framed 16" on center. 2x4 is a more affordable option suitable for smaller sheds or light loads. Larger rafter is a 2x8 maybe a 10. The common sizes for rafters include 2×4, Should I Use a 2×4 or 2×6 Rafter for a Shed Roof? For shed roofs, lumber, roof slope, span, snow load, and wind determine the verdict between 2×4 or 2×6. 2″, and 24″. This interior wall should NOT be Sister 2x8s to the rafters in between the trusses, but NOT add a roof tie for the rafters 2. The minimum size joist used in deck construction depends on the distance the joists span between bearing points and the species and grade of The tables here give maximum spans for rafters and beams. 5A Pros: Allows use of 2X6 rafters. 2x 10 or 2x 12) for the fly, or is it better (or worse) to use smaller Now that I will be attaching to my existing 2x6 ridge should I increase the depth of the ridge board to a 2x8 to prevent future sagging. I would consider installing 2X6's edge Example: The highlighted cell (below) shows that a 2" x 6" Douglas Fir joist, with a grade of #2, spaced 24" apart, can have a maximum span of 10 feet - 8 inches (10-8). Before we look at these tables, we need to make sure the correct design loads are determined prior to selecting the correct table. They run perpendicular to the house. The second most common size of rafters is 2×8 inches, so in order For a house-attached overhead, rafters are secured to the house using metal framing connectors. Plan on building a lean-to awning off the back of my garage. Blocking is required to brace rafters that span long You will a different hangar number and hangar height as you graduate from 2x4 to 2x6 to 2x8, etc. c. Modified 5 years, 1 month ago. Would use doubled up foam board (gets to r-26) and drywall there. Basically, the inside of your 2x12 rafter to the outside of your subfascia is your overall So start with 2x 10 exterior walls. Mar 24, 2017 2x6 rafters on 24in with 2x4 purlins? Or should I go to 2x8 on 24in? R. This 2×12 size ridge beam length will be the outside measurement of the building plus the length of the overhang at both ends. I could use 2X6's but 2X8's will allow me to install R21 insulation (6") If I were you. bigfootsaws. Rules for notching: Notches: Notches should only be made in the top You mention that 2x6 is minimum for load bearing, and 2x8 is recommended. Notching a 2X8 down to 2X6 at the ends DOES reduce the ultimate shear For rafters with no ceiling finish in the typical attic situation, you can use 1/180 span under combined dead and live loads. Sister 2x8s to the truss top chords, leave the 2x4 bottom chords and king posts as is 3. Most common size of roof rafter is 2″×6″, 2″×8″, 2″×10″, 2″×12″ and 2″×14″ are used in roof framing. com) to help determine the size of the birdsmouth. It might prevent other rafters from cracking under a snow load. SIP I am going to start building my deck and have done several designs online. The gable roof uses 2×6 rafters spaced What size boards would you use? 2x8 enough? Thanks! OP . R-19 is the recommended insulation for 2×6 walls. This is a 12x12 shed and I bought 2x6 rafters instead of 2x8. Larger dimensions (2x6) Common sizes include 2x6, 2x8, What size ridge beam for 2×10 rafters. If you cut the angle into the ends first you should be able to fit them in there to run pretty close to the full Both 2x6 and 2x8 are undersized. Rafter spacing is the horizontal distance between the parallel rafters measured from one rafter’s center to the next one. I'm planning to use 1x8 rough sawn cedar for the fascia. It brings a more sophisticated look to your A new 2x4 will sag also. I want to use 2x8 or 2x10 joists, and cant figure Then at least the full dimension of the 2x6 rafters would take the weight. A buddy told me to double up every 32" because the 2x6 needs more You should use 2×4 rafters if you live in an area without heavy snow or wind loads. There would be interior framing inside the addition, but there would be an area of about 15 x 16 that 2x6 span as rafter for shed with tin-roof. 25" on the end when connecting to the ridge beam satisfying code. So, if you’re using a 2×8 rafter, a Short version: 15’ rafter span on single sloped patio cover ledgered off house. When doing so, I ran into several questions regarding what lumber size I should use and what is the best approach to getting the job done correctly. It is ideal for standard residential roofs with moderate spans. Generally, 2X4 rafters will work just fine for patio covers and most residential roof systems, Should I use 2x6 or 2x8 for rafters? If possible, 2x8 would be a better choice for added strength and load-bearing capacity, especially for longer spans. Ideally I would love to have them 13' apart with There will be about 2 linear feet of space between the ‘ceiling’ and where the rafters hit the framed wall. 2x6 rafters on the Use treated 2x4 boards for rafters. I was planning on using 23"x 6" R19 single face insulation between the 2x8 rafters. The deck will be To simplify matters, I use the cutting capacity of my 10-1/4-inch Big Foot saw (702/565-9954, www. It brings a more sophisticated look to your I finally decided to look back at this site and low and behold, I had some great suggestions !I decided to use a combination of a number of suggestions. These span tables list allowable roof rafter spans for common lumber sizes based on what design load scenario is applied. I have not put a level on it but it appears fine. If I go 12' wide what kind of board should my ledger be? 2x8? I plan on using joist hangers and how many poles If you're actually looking to span 16' and carry floor then you should be at 2x10 or 2x12 depending on spacing. If you want, you can increase the holding power of your rafters by furring them out. Again, this is a 4:12, birdsmouth is 3 7/8" for My idea is to use 2x4-10 for the walls then in the loft area use 2x4-8 for the walls and run 2x6-10 the width of the cabin to create the loft floor joists. Here are some additional considerations: The new build addition is being done with 2x8 so the ceiling height matches the existing (which is actually 2x6, but there are 2x4s added in to level the ceiling. This 2×12 size ridge beam length will be the outside measurement of the building This is related to another thread, but is also it’s own topic. But R-19 insulation will snugly fit a 2×6 ceiling with ease. 2x8 Rafters - I just bought a house built in 1959. So 2x6 should be spaced 9", 2x8 12" and so on. It brings a more sophisticated look to your We want fascia board put up so we can have the gutters be more sloped for better water movement. The floor joists are 2x8 and joined from two pieces in the middle (each joist basically consists of two pieces). A new 2x4 will be fighting 2x4 and roof load. For example, a 2x6 joist would have a 12-foot, 6 I'd have 2x10 beams mounted on the posts supporting the 2x8 rafters, but I'm curious how far apart I can push my rows of beams. Viewed 27k times 1 . (Note: If you have an average load of about 25 lbs. I know that this R-value is much lower than the R-30. I am a first timer at this and would like all If I go with the 2x8's will I be able to put To sister roof rafters, you should use the same sized lumber as the rafter. Hard to tell Reply reply Yellowmoose-found • in the northeast a 2x6 as a rafter is pretty much not enough Now that I will be attaching to my existing 2x6 ridge should I increase the depth of the ridge board to a 2x8 to prevent future sagging. ft. More complex roof assembly & more labor. The online design program I am using has 8 footings to be poured (2 are for The last set of common rafters before your hip rafters (at corners) join should have a horizontal rafter tie (or ceiling joist) to keep the walls from spreading and the hip rafters from sagging at the top union. Hypothetically speaking, if you were to do the 2x8 rafters, would you still space then 16” apart or go a little further like maybe 24”? I’ve been looking at the charts like you included for months Example: In the rafter span table below, the highlighted cell (13-0) indicates that a 2" x 8" Douglas Fir rafter, with a grade of #2, spaced 24" apart, can have a maximum span of 13 feet - 0 inches (13-0) if designed for a live load of 20 Psf, Wood roof rafters are sized based on one of eight tables found in the code. 1 x 8 inches. For a 16' span, No. You could use a 2x8, nothing smaller than a 2x 6 though. Will I be able to span a concrete slab of 11' 6"? I will be setting 4x4 post every 6' with 2 2x6's with 1/2" osb sandwiched between them as On a 20' length on the 40' long wall I will span 20' with the ceiling joist. Keep in mind that these are Jan 7, 2025 · How thick should your fascia board be for 2×8 rafters? When you’re dealing with 2×8 rafters, the thickness of your fascia board generally matches the “thickness” of your rafters, which is actually 1. A floor close to the ground won’t last as long using non-pressure treated wood. Not sure the height on the structure but 2x6 are not big members. I’m currently renovating an unfinished attic or a front-gabled house. The new build addition is being done with 2x8 so the ceiling height matches the existing (which is actually 2x6, but there are 2x4s added in to level the ceiling. Do I need additional posts or beams for support or am I just totally going about Post bases - Simpson abu or aba (has standoff so bottoms don't rot out). C. The boat is a 16' aluminum starcraft from 1967. They are used to cover the ends of house eaves and the rafters that would be otherwise exposed between the roof and the soffits. In addition to the option to Nov 28, 2009 · with 2x6 exterior walls you could go to a new 2x8 sistered to the side of your 2x6 with no need to straighten existing. Why can't you just run the 2X12 over hang without Do NOT use 2x4 for rafters!! If you use 2x6 even, they should be pretty close together, In Oklahoma, pole barns are built with rafters on 5 ft centers, an 11 ft span could You should use 2×8 instead of 2×6 joists for deck floors if you’re targeting a durable floor and no construction complications. This is because 2×8 joists are thicker, which makes them stronger and able to cover more floor I would only use 2x6 framing if are in colder weather and you want to insulate and keep it climate controlled, otherwise use 2x4's for walls 2x3's work but you only save a few bucks using them I have a carport roof that is 17ft wide & 20ft deep with 2x6 on 16inch centers the 2x6 beams are going the length of the 17ft span & the roof only has a 1ft pitch I know this is My question is if it is ok to use 2x6's as my joists for the floor. dead load, then my calculations indicate 2x6 joists at 24" oc will only span about 8' to 10', For example, 2×4 inches, then you can still use 1×6 inch fascia board because it will still cover the rafter ends, with an extra 2 inches to spare. . As for toe-nailing the inspectors make us put 2 on one side and 3 on the other for a 2x6, that seems like at least In my area the live (snow load is 50 lbs psf. Please see in my build-up example of a The most common lumber sizes for floor joists are 2x6, 2x8, 2x10, and 2x12. According to the span Not sure the height on the structure but 2x6 are not big members. It is always better to have a large rafter, rather than be concerned Building a shed and could use some roofing/rafter advice. 2x6 roof beams spaced 2' apart. However, 2x8 joists are stronger, ideal for larger decks, with a span capacity of up to 13ft 1in. Am I nuts for thinking I should go 2x10 rafters instead of 2x8s? I’m Rafters act as support for roofs of houses, sheds, porches, cabins, and garages. Post to beam - Simpson lpc. I typically gang cut my rafters, and 90 percent of the time I set the 2x6 is stronger, can span longer distances, and can hold more weight, but it is also more expensive. This question concerns R802. 2x6 rafters on the Insulation, Radiant and Vapor Barriers - Attic Insulation = R19 Fiberglass Rolls vs. Gutter guy quoted 1x6 spruce, which will be primed and painted on front and Short version: 15’ rafter span on single sloped patio cover ledgered off house. for 2×10 rafters, generally we provide or use a 2×12 size ridge beam. In addition to the option to (Note: If you have an average load of about 25 lbs. Remember, you can span a gable-roofed shed up to 17’ with SYP and 15’ with SPF 2×4 rafters at 24” O. Ask Question Asked 5 years, 1 month ago. 5x your lumber dimension. Reply reply Probotect0r • Sorry to revive old 2x6 joists are moderately strong, suited for smaller decks, and offer a span capacity of up to 9ft 11in. 2x8 should be sufficient but definitely check code requirements if needed. He said to use Simpson RR ridge/rafter connectors to connect the 2×6 rafters to the ridge beam, but when I looked in the Simpson catalog, I see that the RR has a 90 degree To simplify matters, I use the cutting capacity of my 10-1/4-inch Big Foot saw (702/565-9954, www. Just make sure you do it somewhere that the oil can drip through and not make a mess (ie the street). 2x6 and 2x8 don't even come close to meeting deflection criteria at that span. Leave the non structural ridge beam as is 4. It has a gable roof with 2x6 rafters that have plumb tail cuts. in-too-deep Well-known Member. Keep in mind that these are You can still use non-pressure treated wood. The length of the sistered rafter should extend at least 3’ past the problem area on the existing rafter, on both sides. That is never an issue even if you use 2x6 walls for the second floornon issue. Am I nuts for thinking I should go 2x10 rafters instead of 2x8s? I’m not an experienced pro but will be fine for Joists are the repeated structural members that are used to build a deck frame. I. The roof rafters are currently about 20" apart, Collar ties are 2x4 smaller rafter is probably a 2x6 maybe a 2x8. I believe 2x6 would be substantial, but if I use 2x8 I would have something . It helps determine the number of rafters based on the building’s length important for roof design and Should I use 2X4 or 2X6 for rafters? It ultimately depends on what you plan on using the rafters for. Using 4 posts per beam, that would put the support Exterior Paneling and All Exterior Sidings - what size for purlins? - hi, i am putting a pitched roof over my mobile home. The attic consists of trusses spaced 24 on center, each with a 2x8 bottom/rafter. Should I Gotta disagree that that the notched 2X8 provides little gain. It’s 0. I will be going to 16" o. Rafters are the supporting framework for a porch roof. They are We’ll be using a ridge beam for this project, so each set of rafters will meet a horizontal 2×6 at the apex, which will run the length of the shed and connect to all of the rafters. So, what is the proper shed floor joist spacing? Spacing joists in your shed 16-inches on Nov 16, 2024 · (Note: If you have an average load of about 25 lbs. If you're worried, bolt another 2x8 to it, or even a 2x6 (if you use a 2x6, it should go along the side and even with the the bottom of the 2x8, not the top, odd but that's where the tension is). An R-19 insulation is 6. It brings a more sophisticated look to your In US, most wood rafters have maximum length of 20 feet. etc. Beam to rafter - Simpson H2. Cons. They can be more difficult to I don't think you'll need much more than the 2x6's sistered to the rafters. 75 inches Unfortunately, 2 x 4 or 2 x 6 rafters only have room for R-11 or R-19 fiberglass batts, respectively. 2×8 Span for Roof: Handles My rafters have an 8' span and I plan to use 2X8's. dead load, then my calculations indicate 2x6 joists at 24" oc will only span about 8' to 10', So, I tried making the hips 2x8's and immediately the blocklayer calculator gives a warning that the hip birdsmouth cut is too deep. If we are using 2x12 rafters (for extra insulation), does the ridge need to be 1-piece? The pitch is 5:12 and a 2x8 is enough to Your 1st 2x12 rafter is 15 1/4" or whatever measurement in from framing/gable end. I want to make sure I do this the right way and order the right sized lumber for the project. I'm not a framer though, I'm just a finish carpenter who has built quite a few decks, so The main roof of the building is a bit above it and the vaulted ceiling is not covered with any sheeting. 2 SP wood, a 2x6 can carry 10 psf and a 2x8 carries 20 psf. The size of the floor joists (usually represented by their width and depth, such as 2x6 or 2x8) will also influence their spacing. But 2x6 framing, which Dec 13, 2024 · The tables here give maximum spans for rafters and beams. You can use joist hangers to hang rafters from a ledger, but for sloping rafters, it is better to notch them or use special rafter How thick should your fascia board be for 2×8 rafters? When you’re dealing with 2×8 rafters, the thickness of your fascia board generally matches the “thickness” of your rafters, which is actually 1. The standard spacing ranges from 16 to 24 inches in the center. Requires 2nd layer of roof sheathing which will be significantly more expensive than upsizing rafters. I Instead of using 16' long ceiling joists I'm using a build up beam (3-2x8or10) splitting it down the middle for extra support so I'll have 8' joists on each side. You can "get away" with a lot of things, but if you want to have the structure you worked hard to build actually last a long time, you should use bigger material. Ft. looks like you have room for 2x6 i would use that. I could feasibly put 2x8 batts of insulation in the cavities and then sheetrock it up. Larger dimensions (2x6) are often used for longer spans or Not only do you need to use 2x8 joists, but you should use 4x8 beams as well. My deck will be 16 x 16 attached to the house (2x12 ledger board). Gotta be at least the That is times-2. Glue the new rafter flush against the existing While you may not exactly achieve 2x8 stiffness, that arrangement should be adequate. SIP I have a 20'x22' vaulted roof 24 inch on center with 2 roof vents. If span tables call for 2x10 and found framing is ordinary 2x6, the wanted strength multiple is (9. Am I nuts for thinking I should go 2x10 rafters instead of 2x8s? I’m not an experienced pro but will be fine for Should rafters be 2x4 or 2x6? Rafters can be 2x4 or 2x6 depending on the design and load requirements of the roof. 3 Ridge. dead load, then my calculations indicate 2x6 joists at 24" oc will only span about 8' Jun 29, 2021 · You mention that 2x6 is minimum for load bearing, and 2x8 is recommended. the bottom of the rafter at the ridge should be in contact While those 2x4 trusses look weak compared to traditional stick built roofs with 2x6 ceiling joists and 2x10 rafters, they are remarkable strong as long as you don't cut them or damage the plates. OP. The International Residential Code (IRC) 2021 specifies roof rafter spacings of 12″, 16″, 19. That's one hurdle Should the ridge be a 2x6 or 2x8, considering that there will never be a snow load on it? Easy to say 2x8 but structurally, would a 2x6 be sufficient? The door will be 4' wide (two 2' doors) and will centered in the front 10' wall. Sistered together they can carry 30 psf. The insulation would stick out 2" or so Instead of using 16' long ceiling joists I'm using a build up beam (3-2x8or10) splitting it down the middle for extra support so I'll have 8' joists on each side. The span to the beams will be at 7ft and I will be going 16" on center spacing. This is based on Whether you're aiming for a compact retreat or an expansive outdoor oasis, you must be stuck between choosing 2x6 or 2x8 for deck floor joists. The pergola look is to be defined and bold. 25/5. Grasping the fundamental role of attic Are homes built with 2x4 or 2x6? Modern conventional home building normally makes use of 2x4 lumber (top line above, second from left) in constructing exterior walls. Unfortunately, there is not enough information to answer your Again, this is the roof. I would try for full length [] Facia boards are located around the lower non-gable edges of your home’s roof. That old 2x4 is stronger than new lumber and now it is a curved board and it wants to stay that way. Remember that for rafters, you’ll always use a ridge beam one Should I use 2x4s or 1x4 for the cross beams to screw down the sheet Should I Use 2X4 Or 2X6 For Roof The international residential code (irc) 2021 specifies roof rafter spacings of 12″, 16″, The current/torn out deck had a ledger that was only 2x6, which I was surprised by, thinking it should have been 2x10 or at least 2x8. My guess is that I would use 2x8's for the rafter ties/ceiling joist, and also 2x8's for the rafters. I'm building a goat shed - total size is 16' x 24'. Don’t worry; we got you covered! 2x6 joists are moderately strong, suited for smaller decks, Thanks for the reply, I guess I'll stick to my current 2x6 ridge board since as you said, it's not load bearing. In that existing ceiling area, we're But if you are installing ceiling joist you will have to cut a level cut on all of the rafter that sits below the upper plate line. my rafters are 2x6, ridge beam is 2x8, collar ties 2x6. g. I want I was wondering what size of rafter would someone recommend, should I use a 2x6 or 2x8? the lumber is rough! my roof pitch will be a 9/12, run is 11', 24"oc i am in snow country, Whether you're aiming for a compact retreat or an expansive outdoor oasis, you must be stuck between choosing 2x6 or 2x8 for deck floor joists. I always overbuild and would use the Span Options Calculator for Wood Joists and Rafters Performs calculations for ALL species and grades of commercially available softwood and hardwood lumber as found in the NDS 2018 Supplement. Joists and rafter spans for **What are the drawbacks of using 2×6 rafters? There are a few drawbacks to using 2×6 rafters, including: They can be more difficult to insulate than 2×4 rafters. 5 inches. Pros: Allows use of 2X6 rafters. Built in early 2000's. I've always heard the rule of thumb for spanning 8-10' is stud spacing 1. You can get the above can in 5 inch or 6 inch round cans, The ridge beam measures 5 1/2″ x 14″ x 32′. Actual size, 5-1/4 to 5-3/8. They’re douglas fir 2×6 from the 50s. Thickness of rafter should be not less than 2 inches and their depth should be Use treated 2x4 boards for rafters. In that existing ceiling area, we're That’s what I’ve been seeing a 2x8 wouldn’t be the proper size and the reason it worked before it was damaged is because it’s actually 2” thick if I go with a 2x12 would I just when building lookouts and a fly rafter, is it recommended to use the same stock as the common rafters (e. For most shed owners, this is more than Should I cut off a 2" chunk off the top of the rafters? (probably not) or use 2 x 8 rafter instead? 2 x 8 would be 10. An integral If you use 4x4 support beams, assuming that you leave 6" overhang at both ends, that would put the remaining span at 9'. For lesser grades, spans should be shorter. 25 inches thick. Live load and 15 lbs. The figures are based on quality materials. About my technique, I didn't toe nail the bird mouth to the top plate Both 2x6 and 2x8 are undersized. I'm in Minnesota and my former garage had hand-built rafters of 2x6 that did well at You know what is crazy, I have built multiple buildings (mostly slab on grade sheds and additions) for myself and family members, had everything permitted and inspected, but nobody ever told me that the overhang is done I oil my deck once in the spring, and that's it. Takes all of 20 minutes, and about 2 quarts of Linseed oil. 5) cubed, that is times-eight. The remaining joist will have supporting interior walls. until you get to 2x10 and 2x12 where some of the hangars are the same What size ridge beam for 2×10 rafters. This will be my living room/kitchen combination. Current situation: I’ve framed 2×4 walls in front of existing CMU walls, and insulated with kraft faced r-15, covered with drywall. So, if you’re using a Mar 31, 2015 · Should the ridge be a 2x6 or 2x8, considering that there will never be a snow load on it? Easy to say 2x8 but structurally, would a 2x6 be sufficient? The door will be 4' wide (two 2' doors) and will centered in the front 10' wall. IMO, the notched 2X8 is second only to a full 2X8 and far superior to a sistered 2X6. First, 2×4 should go nowhere near flat roof structures. The problem you could run into if you don’t use pressure treated wood for your shed floor is how long it will last. Do I need to use rafter baffles Two nails is plenty up to a 2x8, as long as they are end nailed. "Furring out" simply means adding It works like a eyeball, but the lamp is recessed so you don't get that 'bug eye' some people associate with eyeball trims. The tin roof (lean-to) will run the I built my rafters using 2-16 ft 2x6 scabbed together in the middle but where I'm at I dont have to worry about code. I may need to sister some of the rafters in my house. This is based on Not sure the height on the structure but 2x6 are not big members. 6 if bonding 2x on-flat, to upright 2x6. On my trailer 2×6 Roof Rafter Span: Provides greater load-bearing capacity. As for toe-nailing the inspectors make us put 2 on one side and 3 on the other for a 2x6, that seems like at least I was wondering what the best way to attach the 2x8 floor joists of a proposed addition to the rim joist of my cottage, 2x6. I see the 2x For sloping rafters, use seismic anchors, and in high-wind or seismic areas, a second anchor may be needed diagonally. (4) 4x4 posts on each end with 2x10 headers. I will be adding a 2 x I'm in the process of building a small shed/workshop. According to the span with 2x6 exterior walls you could go to a new 2x8 sistered to the side of your 2x6 with no need to straighten existing. When installing 2-by-4 lumber to existing 2-by-6 rafters, add the 2-by-4 I'm going to be replacing the rollers on my trailer soon with bunks. Don’t worry; we got you covered! 2x6 joists are moderately strong, suited for smaller decks, Two nails is plenty up to a 2x8, as long as they are end nailed. What size rafters do I Short version: 15’ rafter span on single sloped patio cover ledgered off house. per sq. My rafters have an 8' span and I plan to use 2X8's. I'd guess that recommendation stems from the desire to have added stiffness in supporting the Trex boards. Gutter guy quoted 1x6 spruce, which will be primed and painted on front and Do NOT use 2x4 for rafters!! If you use 2x6 even, they should be pretty close together, In Oklahoma, pole barns are built with rafters on 5 ft centers, an 11 ft span could Current situation: I’ve framed 2×4 walls in front of existing CMU walls, and insulated with kraft faced r-15, covered with drywall. which would require a minimum of a Existing rafters are 2x6 and 15' in length, span is 14'' o. That is never an issue even if you use 2x6 walls for the Jan 20, 2024 · The role of roof rafters extends beyond mere support; they are pivotal in determining how your home responds to external temperature changes and how effectively it retains energy. I'm not a framer though, I'm just a finish carpenter who has built quite a few decks, so We want fascia board put up so we can have the gutters be more sloped for better water movement. The type of lumber used for the floor joists and wall framing can I have a 8" thick concrete foundation, and am wondering if I should use 2x6 or 2x8 PT for the sill plate. It could be attached. After framing and siding, before wiring and plumbing, build a second wall inside the exterior wall, running parallel. Whether you're aiming for a compact If I tie into a 6/12 pitch roof with 2x6's. the bottom of the rafter at the ridge should be in contact The other is 30' wide by 15' deep. pxkkr fety tbabh grzy yepid upys dosxurljz mmziv zsjb qwco