Furring Strips Roof Drainage

Every piece of 1 in.

Furring strips roof drainage.

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. Watairvent furring strips are manufactured from a mold resistant non absorptive composite material and their dual vertical and horizontal channels allow for dual drainage and cross ventilation. Is it necessary to patch these spots as well or will the felt and strips be level enough to screw the metal straight to it. Air gap behind the fiber cement panel.

Furring strip drainage systems contractors began using wood furring strips to create this space to allow moisture to drain down and out the building envelope as well as to equalize air pressure between the front and the back of the rainscreen building envelope. Trapped moisture from driving rain or condensation can cause major problems. This furring strip board is often used to give a level surface for attaching wallboard paneling etc. The inner edges need to be approximately four inches away from the pipe or vent.

Advanced building products has taken the traditional furring strip and re designed it to function in the modern building environment. A rollable furring strip easy fur is an entangled polymer net furring strip that creates a cutting edge rainscreen and venting system behind wood and fiber cement siding. They are easy to secure with a single nail at each end of the section. Material must be 20 gauge min 33 mil to 16 gauge max 54 mil with a dimension that satisfies the installation requirements.

Then install them as nailers at every pipe roof penetration or vent point. Easy fur s unique design allows for the fastest installation of any furring strip on the market because it can be rolled on to the wall and easily cut to length. As time passed new materials plastic metal etc began to replace the wood. My question is before i prep for the metal roof how flat does the roof need to be before i lay down the felt and furring strips.

Furring material may be steel z girt hat channel or wood to create a minimum 3 8 in. If you use horizontal firring strips they should have drainage slots or better stronger shallow curved cutouts in the bottoms so any water running down the roof on top of the water barrier does not dam up at the firring strip and also to provide ventilation to help dry out any moisture that gets in there. Place the primary furring strips. Sturdi strips rainscreen furring strips a simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding venting behind your siding is just as necessary and valuable as venting your attic.

Your finished project may be painted stained or sealed to suit your taste. Measure from roof to peak. Make sure that the wood strips are the right size. Furring should be installed vertically to facilitate drainage and drying.