Roxul In 2 X 10 Roof Joists

Let s consider a basic gable wood roof framing design.

Roxul in 2 x 10 roof joists.

The comfortbatt roof attic assembly shown from outside to inside shingles tar paper sheathing 2 x 10 roof trusses comfortbatt r30 r32 ceiling joists. Working on putting the roxul insulation in the roof joists. For attics and cathedral ceilings only a single layer of comfortbatt is required between the roof trusses. Title a z title z a brand name a z brand name z a.

Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations. Also available for the android os. This product is designed to fill perimeter gaps between concrete floor slabs and exterior wall systems between firewalls and ceiling slabs and around conduit pipes and duct openings through walls and floor slabs. Joists and the top layer run in the opposite direction.

Price low to high. Price high to low. Price low to high. Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.

Span calculator for wood joists and rafters also available for the android os. This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames. For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Here we have a wood framed gable roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Continuing on from part 3.