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.
How do you lay shingles for beginners?
Do you overlap shingles side by side?
When you reach a peak or hip, shingle all the way up the first side (until the reveal portion of the shingles is within 4 inches of the peak) and cut the 3-tab shingles just below the ridge. Shingle the other side and allow these pieces to overlap the ridge by no more than 4 inches.
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.
What goes under shingles?
What Is Roofing Underlayment? Roofing underlayment is what lies between the shingles and the roof sheathing, or roof deck, which is typically either plywood or OSB. It’s installed directly on the roof deck and provides a secondary layer of protection from the elements, including rain, snow, and wind.
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.
How far do you overlap shingles?
Overlap each row at least 3 to 4 inches. If you live in an area with inclement weather, you should consider using a special leak barrier protector. Then, install new flashing (metal flashing is often called “drip edge” along the bottom of the roof near your gutters) and starter shingles at the edges.
Do shingles have to overlap?
There are two simple rules to follow: Each flashing should overlap the one below by at least 75 mm (3″), but not be visible below the shingle top lap.
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.
Is roof felt necessary?
When is Roofing Underlayment Not Necessary? Roofing felt is always recommended, but is not actually required by all shingle manufacturers. For steep-pitched roofs, felt is often not required. The steeper the pitch, the less likely moisture is to sit and seep into gaps and cracks in the shingles.
Can you shingle a roof without tar paper?
Manufacturer warranties and building codes may even call for felt paper to be installed on a roof under the shingles. Chances are a professional roof installation would be fine without the use of felt paper if other measures were taken, though any job would be safer for roofers if felt paper were part of the project.
What is the plywood under shingles called?
Roof sheathing, also known as roof decking, is a layer of plywood or OSB that covers the trusses and joists, which are the beams that make up the roof’s skeleton shape. Roof sheathing goes above the roof’s framework but below its shingles.
What do you put on roof 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 under the roof tiles?
Roofing felt, otherwise known as roofing underlay, sits underneath the tiles or slate on your roof and secures them in place. It also offers protection against heavy rain as it provides a barrier, allowing rain to run off the roof and preventing it from seeping into the internal spaces of the roof and your home.
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.
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.
How long should nails be for 2 layers of shingles?
Layers. If you are putting a layer of asphalt shingles over an existing layer of asphalt shingles on to a 3/4-inch deck or a plank deck then you should be using 1 1/2-inch nails. If your decking is less than 3/4 inch then a 1 1/2-inch nail will suffice.
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.
