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How much does it cost to shingle a garage roof?
Garage roof replacement costs $1,000 to $2,500 on average, depending on the size, pitch, and materials. Installing a new roof on a 280 square foot 1-car garage costs $1,000 to $2,000, and a 400 square foot 2-car garage runs $1,500 to $3,200, depending if it’s asphalt or metal.
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 do you put under shingles on a roof?
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 much does it cost to shingle a 1000 sq ft roof?
Average Cost to Replace a Roof by House Size House (& Roof**) by Square Foot Re-Roofing Cost* 1,000 (1,054) $4,000 – $5,500 1,100 (1,160) $4,200 – $6,000 1,200 (1,265) $4,500 – $6,500 1,500 (1,581) $5,500 – $8,000.
How do you reroof a garage roof?
The Plan: Remove old roof covering (you can remove asbestos yourself, but have to take necessary precautions) Remove old gutters and downpipes. Remove fascia, bargeboards and other random bits of timber. Remove and replace rotten sarking. Replace rotten timber. Re-felt roof. Attach new fascia and new bargeboard. Lay slates.
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.
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.
What is the best underlayment for a shingle roof?
1. Asphalt-saturated Felt. This used to be the most popular choice for roof underlayment until it was replaced by synthetics. It’s usually known as tar paper or felt paper and it can be made from various mixtures of asphalt, polyester, cellulose, or bitumen.
Is underlayment required under all asphalt shingles?
Technically, no, underlayment isn’t 100% necessary underneath asphalt shingles. Building codes vary from one region to the next, and most all building codes require felt or synthetic roofing underlayment.
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.
How many shingles do I need for 1000 square feet?
Since there are twenty six shingles in a bundle of twenty year shingles (which is fine for starters and edges), divide the result by twenty six. For the number of ridge caps, multiply the length of the hip or ridge by twelve and divide it by five. This house is 1000 square feet. It requires 18 squares of shingles.
How much does it cost to replace a roof on a 1100 square foot house?
Average cost to replace a roof based on house size: 1,100 square feet: $4,200 to $6,000. 1,200 square feet: $4,500 to $6,500.
How much does it cost to replace a roof on a $800 square foot house?
An 800 square-foot roof will cost the average homeowner between $3400 -$5100.
Can you replace a garage roof yourself?
Replacing a garage roof is a tough task but certainly manageable by an experienced DIY enthusiast. However, there are a number of factors to consider when taking on this task, so it may be in your best interest to hire a qualified tradesman such as a roofer.
Can I replace my roof myself?
The truth is, anyone can replace their own roof, with the help of the many DIY websites. For residential houses, roof replacements typically take two days – the first day to remove the old roof, and the second day is to install the new one. A day or two more can be necessary depending on the size of the roof.
Can you put a new roof over an old roof?
The answer is yes, you can lay new roof shingles over old ones. But before we get started, one thing must be clear: adding new roofing over old (sometimes called a “re-roof”) is possible only with asphalt shingles (also called “composition shingles”).
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.
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.
Does felt go under drip edge?
1 Answer. It depends on where the drip edge is. At the side, or gabels, of a roof, the drip edge goes over the roofing felt. At the bottom of the roof, the drip edge goes under the roofing felt.
