How Much Felt For Shed Roof

15 pound and 30 pound felt.

How much felt for shed roof.

The process of felting a shed roof. The felt will be applied in strips with each. Rolls of felt coverage for roofs is sold in rolls that are one square each. One square is equal to 100 square feet.

Most suitable for a shed roof is 3 5k 4k or 4 5k the weight goes up per square metre of coverage so will the thickness. Easiest to use metric as shed felt normally comes in 8m or 10m rolls. Purchase enough felt to cover your roof s area. Remember too that you will need the felt to overhang each gable end and the eave of the shed by at least 50mm so you need to add this to your measurements.

In most cases this will leave 400 square feet 37 m 2 of net coverage per 1 roll. You ll need enough felt to cover the entire area of the roof with a little extra on each edge around 5cm to allow for overlaps at the eaves and at the gable ends approximately 7 5cm. For most sheds you ll need to cut 3 pieces of felt. Normally for a shed roof i would use 3 5k on a small shed and 4k on larger sheds.

However you must allow for overlaps on joints. Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material. Calculate how many lengths of roof felt are needed. You have two basic options when you go to a home improvement store.

Professional roofing felts not only come in different colours but different weights too which is another way of saying thickness. One roll of conventional 15 felt covers 432 square feet 40 1 m 2. The 30 pound felt is twice as strong and twice as durable as the 15 pound felt. Convert the area from inches to feet prior to purchasing your felt.

One roofing square equals to 100 square feet. 1 for each side of the roof as well as a third section that will overlap the 2 side panels by about 30cm on each side and run along the top ridge of the shed.