Furring Roof Rafters

Furring strips are required if you plan to place a metal roof on top of existing shingles.

Furring roof rafters.

If the existing rafters aren t all nice and straight you could straighten up the ceiling with some sisters. I have been past the house in the last year and the same roof is on the house. The sips use 7 16 osb as their skins and 8 polyurethane cores. This gives me 3 5 of foam for a pretty decent thermal break.

Even if you used a 2x6 you want it to extend below the existing lumber so it wouldn t have to go all the way to the roof decking. Instead of 2 foam i m going to purchase 1 5 thick so my strips will match my rafters on the 1 5 side. Metal roofs depend on thin strips of wood known as furring to allow air to circulate and prevent rot. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters.

The 2x4 in the photo represents the rafter then 3 5 of foam then furring strip all held together with 5 screw. Episode 51 wow what an incredible weekend of work. When placing rafters for a tin roof also frequently referred to as corrugated metal or steel it is common to set the distance between rafters based on the size of the roofing panels. Malcolm you mentioned the advantech sheathing and i read up on it and there is a lot of positive reviews.

This allows the panels to be securely attached to the rafters for maximum stability. It would be possible with furring strips but harder as each one may be different. Not only did we finish up the floor from last week but we also pounded out the sound deadening furring. It is supposedly even better than plywood.

Spacing of furring strips for metal roof when installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before. My roof is a very simple gable with a 5 12 pitch. That s what my framers always did to fur out for insulation. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.

On this roof i only walked the ridges but on a metal roof of 6 12 or less a good pair of tennis type shoes on dry metal will allow you to walk without slipping. Furring strips nailed into the rafters through the shingles. 00 tj 4 lift 35 s 4 56 s. Cut 2x4 blocks and nail screw into side of rafter then add your 2x4 stacked on the rafter.

They are compatible with many different kinds of synthetic underlayment. Yes the roof furring is being used to create ventilation channels for the tops of the sips.