How To Apply Roofing Felt

Bitumen in terms of materials please note that there are several different weights for the roofing felt.

How to apply roofing felt.

Install new flashing metal flashing is often called drip edge along the. Follow the 10 steps below in order to felt a flat roof. Some roofing felts are actually glued down. If this felt is more than a temporary waterproofing measure apply roofing mastic using a caulking gun.

Before applying roofing you ll need to cover the sheathing with roofing felt also often called tar paper most local codes call for using 30 pound felt. Step by step guide for felting a flat roof. It starts with installing solid decking usually plywood or oriented. Step by step guide on how to apply bituminous roofing felt to your shed roof.

Start by laying asphalt felt or other underlayment over the roof. How to install felt underlayment for a new roof. This guide will use the more durable 30 roofing felt although you can use 15 felt. Overlap each row at least 3 to 4 inches.

Pull the trigger of the gun and move the nozzle around the circumference of each nail. Roof felt adhesive e g. These applications are ideal for flat roofs or protective surfaces under roof level decks. These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof.

If you get to the end of a roll and need to begin a new roll make sure the edge of your new roll overlaps the edge of the old roll around 4 inches. Watch our step by step video showing how to felt a shed roof with expert advice and top tips to help you complete the job with confidence. If you live in an area with inclement weather you should consider using a special ice and water protector. Installing the roofing felt does take care but can go very quickly.

Cover all nail heads with roofing mastic for long term roofing. As you install your first layer of roofing felt make sure it hangs over your eave by about 6 inches. Hold the gun at a 45 degree angle with the nozzle pointed downwards. Continue to lay your roofing felt onto your roof and secure it without any bubbles or wrinkles.

Includes useful advice on the best materials to use together with information. Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive.