Installing Vinyl Siding Underlayment

Utility knife score panel with knife then bend the vinyl back and forth until it snaps cleanly on the scored line.

Installing vinyl siding underlayment.

Avoid the use of green lumber as the underlayment. How to install felt before new siding. That being said it is vital that house wrap be properly installed or you won t get optimal performance from this material. Best practices for successful results vinyl siding installation manual created by the vinyl siding institute vsi this manual includes installation instructions based in part on astm d4756 standard practice for installation of rigid pvc siding and soffit.

Care must be exercised when selecting underlayment materi. Installing house wrap is a straightforward process and won t add an unreasonable amount of time to your home s vinyl siding re siding. Should any water get past. Vinyl siding is lightweight easy to cut and easy to install which makes it the natural choice for contractors.

The following rules which are repeated in this guide are critical for proper vinyl siding installation. Aviation and tin snip start cutting at the top interlock and continue toward the bottom of the panel. To get all the benefits of vinyl siding ensure proper installation. Available in fanfold bundles where the insulation is crimped and folded to ensure it lays flat the underlayments are made of closed cell polystyrene which creates the ultra smooth.

Installed panels and accessories must move freely from side to side. When installing vinyl plank flooring over existing floor materials underlayment may not be required but it can help with cushioning and sound reduction. Vinyl siding is exposed to signifi cant heat or fl ame the vinyl will soften sag melt or burn and may thereby expose material underneath. Leave a 1 8 inch gap along the walls.

When installing the new underlayment stagger the seams of the plywood panels and leave a 1 32 inch gap between panels to allow for expansion. Reverse the blade in the saw for extra smooth cutting through the vinyl and to. Power saw bench or radial arm saw use a fine tooth blade with slow cutting movements. Greenguard s siding underlayment is designed to be sized and installed quickly and painlessly.

When installing a siding panel push up from the bottom until the lock is fully engaged with the piece below it. Why people use underlayment people turn to underlayment for comfort underfoot sound reduction and moisture barriers. Always use the fasteners and fastening pattern recommended by the vinyl floor and plywood manufacturer.