Pressure Treated Lumber For Lean Too Roof
If you go with battens you will need to go with raw untreated lumber or painted lumber.
Pressure treated lumber for lean too roof. Live load is weight of furniture wind snow and more. Find pressure treated lumber at lowe s today. Every piece meets the highest grading standards for strength and appearance. Todd miller isaiah industries inc.
1 ft 0 3048 m. The sawdust from pressure treated wood is an irritant to the eyes skin and nose. This lumber is pressure treated in order to protect it from termites. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Wood for indoor projects should be left as is. The following table provides the heaviest approximate weight dead load self weight per linear foot of pressure treated lumber that you are likely to find. Wood for any outdoor project should be pressure treated. Around 85 of the pressure treated wood in the us is made from southern yellow pine there are a few different sub species of southern yellow pine with different wood densities.
You are correct on the treated lumber thing. As for the rafters wall frames roof deck and exterior siding get the details of the cutting list here. 2 are indicated below. 1 psf lb f ft 2 47 88 n m 2.
Pressure treated wood does last longer without rotting and resists insect damage but it s not right for every purpose either. Pressure treated hem fir lumber is ideal for a variety of applications including decks landscaping stair support walkways and other outdoor projects where lumber is exposed to the elements. Check out this 4 8 lean to shed plans. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
And 4 x8 plywood sheet. Dead load weight of structure and fixed loads 15 lbs ft 2. Some low level leaching the chemical preservative leaking from the wood can also be a problem with indoor projects. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.
For the floor you will need materials including six 2 6 and 2 4 4 pressure treated lumber. Treated wood and galvanized roof return to installation. All lumber from the common 2x4 to specialty marine plywood is either pressure treated or not.