Table of Contents
How do you shingle a roof step by step?
Roll out the self-stick underlayment. Stick on the underlayment. Cover the roof with felt paper. Roll on the felt paper. Overlap the ridge. Waterproof your valleys. Fold flashing over the peak. Install the shingles. Working around vents and stacks. Shingle over the vent flashing.
What is the best material to put under shingles?
There are 3 main types of underlayment that homeowners can choose from when it comes to protecting their roof. Asphalt-saturated Felt. This used to be the most popular choice for roof underlayment until it was replaced by synthetics. Rubberized Asphalt. Synthetic Underlayment.
Do you need felt under shingles?
Felt, otherwise known as underpayment, is required when asphalt shingles are installed as a first layer of roofing or when they are applied over wood shingles or a built-up roof. In these instances, the felt beneath the older shingles is regarded as adequate.
How many nails should be used per shingle?
General Guidelines for Nailing Shingles Install the recommended number of nails per shingle. For Duration® Series shingles, Owens Corning recommends using either a 4- or 6-nail fastening pattern depending on the roof’s slope and building code requirements. In most cases, 4 nails are adequate.
What is starter strip shingles?
Starter strip shingles are long, narrow shingles typically made of asphaltic material. Roofers install them along the edges of the roof after installing the underlayment and before installing the regular shingles. The purpose of the adhesive is to bond with the shingles installed above it and seal them down.
Do you install drip edge before tar paper?
The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge.
Do I need tar paper under shingles on a shed?
Roofing felt is necessary on a shed, as it not only protects the interior from water damage but also extends the life of your shingles. Felt is asphalt-infused synthetic or wood composite paper that repels water. It provides a smooth, unbroken surface for the application of shingles.
What should I put down before shingles?
Before laying down shingles, you need to protect the roof with sheathing. Roll out a single layer of roofing felt or tar paper, which serves as a moisture barrier. Begin this layer at the bottom of the roof and add it in horizontal rows, with a slight overlap to prevent leaks.
What is the most common underlayment for roofing?
One of the most common types of underlayment used in residential, steep-slope applications is black, ashphalt-saturated felt paper. Felt underlayment may be made from either organic or fiberglass substrate, although the organic is much more common. It’s called “organic” underlayment because it has a cellulose base.
What felt to use under shingles?
Roofing felt – also known as tar paper – provides a protective underlayment over the roof deck and beneath the shingles, says Findlay Roofing. It also offers fire-resistance required for home construction.
Do I need felt under my roof tiles?
It is usual for older homes to have roofs without felt and it shouldn’t be needed as long as your tiles are in good condition as for the price ask anyone you get a quote from for it to be itemised, depending on the size of your roof scaffolding alone can cost a fair bit of money.
Do shingles go directly on plywood?
Replacing a roof starts with the bottom roofing layer, plywood and builds up to the shingles … For example, there’s a starter course of roofing shingles installed at the eaves before the roofing shingles you can see.
Do you need to use roofing felt adhesive?
The reason you should use adhesive sparingly is because the bitumen in the shed felt will expand in warm weather and it will contract in cold weather. Not using too much adhesive allows it some give, which prevents it from tearing or cracking.
How many nails do I need for 18 squares of shingles?
Shingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row. This amounts to an average of 320 nails per square, or 100 square feet. In high-wind areas, you need five nails per shingle, or 480 nails per square.
Where should nails be placed on shingles?
Use 4 nails per shingle placed 6-1/8″ above the butt edge, 1″ and 13″ in from each end and 1/2″ above each cutout. Drive nails straight so that nail head is flush with, but not cutting into shingle surface.
How many nails do you put in a 3 tab shingle?
Your first nail should be ½” below the strip and 1” from the edge of the shingle. Your next two nails should be placed above the tab cut-outs for 3-tab shingles or evenly placed below the sealant strip on other types of shingles.
What is the purpose of a starter course in roofing?
The Importance of Starter Shingles Starter shingles act as a barrier for your roof to protect your eaves and rake edges from water leaks. Mainly, starter strips provide the overlap function so that water can flow seamlessly on your roof without penetrating into your home.
Can you use regular shingles for starter?
The starter strip is the layer of shingles underneath the first course along the edge of the roof. Some roofers simply take regular shingles, flip them upside down and nail them down as a starter course. There are also pre-cut starter strips that can be purchased from roofing manufacturers.
Does drip edge go under or over underlayment?
According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof. But over the underlayment along the rake edges of the roof. Understanding the proper way to install the drip edge will only get you so far.
