how do you tie an existing roof

Full Answer

How do you tie into existing roof shingles?

To tie into existing roof shingles use a cut valley. Install trusses to meet the eave of the house and nail 2 valley boards into place, securing with roofing cement.

How do you attach an addition to an existing roof?

The most important thing when installing an addition is to tie the structure into your existing roof. To tie into existing roof shingles use a cut valley. Install trusses to meet the eave of the house and nail 2 valley boards into place, securing with roofing cement.

Should you tie in a roof to an existing roof?

Why Should You Tie into an Existing Roof? If you don’t tie in a roof to an existing roof, you risk the possibility of air and moisture seeping into your home’s structure because of openings in your roof. If water is continuously leaking into your home, irreparable damage, mold, and mildew will form.

How to install a roof on a house?

Install the roofing. Starting from the joist, rafter, and later the beams and planks. Consider adding eaves while installing it. Now, it’s time to apply the roofing felt to protect the roof’s inner side from moisture and such. Lastly, shingles on top of the underlayment – the outer side of the roof is done.

Can You Increase the Pitch of a Structure by Building a Roof Over an Existing Roof?

Should Old Shingles be Removed?

What is the point where two metal roofs meet?

What do you do when you have set up the structural support for a new addition?

What is the purpose of valley board?

Why do you tie in an addition to your roof?

What happens if you have a damaged roof?

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How do you tie a gable roof to an existing roof?

To tie into the side of an existing roof, put a new roof truss on the walls of the addition, brace it upright, then snap chalk lines on the shingles to mark the center line of the new roof valleys, where old and new roofs will connect.

Can I anchor something to my roof?

The manufacturers of your home accessories may not warn you against nailing them to the roof because they might not understand roofing materials and why you shouldn't attach accessories to them. The truth is, you can increase your risk for leaks if you try to attach something to your roof without professional guidance.

What keeps a roof from falling over?

Collar ties (or ridge straps) prevent the ridge from separating due to uplift pressure from wind (top drawing, right). Rafter ties or ceiling joists support the rafters and sidewalls under gravity loads, including the dead load of the roof structure and live loads such as snow (above drawing).

How do you secure the top row of shingles?

Here's how to shingle the top edge of your shed roof:For the final row, cut shingles into strips.Ensure strips are wide enough to cover nails.Install your strips.Apply sealant over exposed nails on the last strip.Use more sealant along the top edges of all shingle strips.

How do roofers tie off?

1:195:40How to Use a Roof Safety Harness | Fall Protection - YouTubeYouTubeStart of suggested clipEnd of suggested clipAll. You do is you throw it over your shoulders. The right side. Then you can go ahead and want toMoreAll. You do is you throw it over your shoulders. The right side. Then you can go ahead and want to strap your legs in. So there's a strap for each leg. And you'll see it's just like a belt.

Can you put an anchor in an existing hole?

If you have driven a screw into drywall without an anchor, the best way to reuse that hole is by installing a plastic wall anchor. If the hole is too big for an anchor, or an anchor has pulled out of the wall, use a toggle bolt or molly bolt instead.

How do you reinforce existing roof rafters?

10:1811:58How To Reinforce Roof Framing – Engineering And Building RepairsYouTubeStart of suggested clipEnd of suggested clipAnd then have it directly underneath the roof rafters you could always use framing Hardware inMoreAnd then have it directly underneath the roof rafters you could always use framing Hardware in blocks to connect the rafters. Or even notch a seat cut into the rafter. To give you a better connection.

Do you need rafter ties on every rafter?

Rafter ties are always required unless the roof has a structural (self-supporting) ridge, or is built using engineered trusses. A lack of rafter ties is a serious structural issue in a conventionally framed roof. In most homes, the ceiling joists also serve as the rafter ties.

What holds a roof in place?

Trusses are pre-fabricated, triangulated wooden structures used to support the roof. The alternative is to build up the roof's frame with 2x8s and 2x10s. Trusses are quite common these days because they have five big advantages from the builder's standpoint: Trusses are incredibly strong.

How do you finish a leaning roof with shingling?

0:1610:32How To Build A Lean To Shed - Part 7 - Roofing Install - YouTubeYouTubeStart of suggested clipEnd of suggested clipEdge nail the drip edge to the roof deck using one nail every 24 inches. The second step is toMoreEdge nail the drip edge to the roof deck using one nail every 24 inches. The second step is to install building paper over the eave drip edge and roof deck. Building paper can be very slippery.

Should roof shingles be stapled or nailed?

Fastener Type The type of fastener used to fasten the shingles is especially important in resisting wind uplift and pull-through. Fasteners for asphalt shingles should be roofing nails or staples.

Can you tie in shingles?

The easiest way to tie in the new shingles with the old is with a cut valley (see Four Ways to Shingle a Valley). After the addition roof is framed and sheathed, snap a line on the existing roof shingles 2 in. up from the valley center, and cut through the shingles and underlayment.

Is it okay to screw into a roof?

Don't drive nails or screws into your shingles. Don't think that a little silicone caulk can fix everything. Don't create any underdriven or overdriven nails under shingles. Don't let any nails or attachments create gaps or lift shingles.

Is it OK to nail into a roof?

Is it safe to nail things onto your roof? No. Not Santa, lights, solar panels, or even new shingles. You should not nail anything into your roof unless you're a certified roofer.

Can you anchor into ceiling?

However, if you really want to use a drywall anchor, you should use a toggle bolt or a ceiling anchor. Instead of just screwing into the wall, these expand to several times their size which gives you a good hold, especially when the force is pulling directly down.

How do you anchor something heavy to the ceiling?

3:034:28Hang Heavy Objects from the Ceiling - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo to help it out use ceiling anchors with hook attachments when connecting your object to drywallMoreSo to help it out use ceiling anchors with hook attachments when connecting your object to drywall ceiling anchors have small wings that when open redistribute the weight of your object.

How to blend new shingles into existing shingles - Quora

Answer (1 of 6): You need to remove enough of the old shingles so that you can randomise them when re-fitting them. Blend the new shingles amongst the old shingles. You might have to do as many as 1 old, 1 new; 1 old, 1 new…. etc. but probably you can get away with small patches or maybe blend t...

Can You Increase the Pitch of a Structure by Building a Roof Over an Existing Roof?

Yes, you can do this as well. The cheapest option is to simply leave the old roof as it is and place new rafters over the existing roof. The pitch of the roof is just how much it slants. This is measured in the number of inches for every 12 inches of roof. If you’re installing a new roof, going with a steeper pitch than the old roof is ideal.

Should Old Shingles be Removed?

If the old shingles are secure and show no signs of damage, they can remain in place when installing the new roof. If there are areas that have been severely damaged or there is noticeable pulling of shingles, they should be removed. In cases where the damage is extensive, removing the old roofing shingles completely is advisable.

What is the point where two metal roofs meet?

The point where the two meet is known as the transition. To protect against water intrusion, you’ll need to install transition flashing along the line where these two roofs connect. Then, sections of shingles are removed and the final pieces of metal roofing are installed before the flashing is put in place.

What do you do when you have set up the structural support for a new addition?

When you have set up the structural support for the new addition, you will want to snap the chalk lines on the shingles. This is to mark the center of what will be the new roofing valley. The nice thing is that you can either strip off the shingles or you can leave them there, framing over them later. It is up to you.

What is the purpose of valley board?

The purpose of the valley board is to give yourself a solid surface for nailing when you go to install the jack rafters. Without that even surface, you could wind up putting in nails unevenly that don’t properly secure.

Why do you tie in an addition to your roof?

The idea behind tying in the addition’s roof with your existing roofing is to minimize any possible openings and opportunities for leaking. If the new addition is installed improperly, it can create the chance for air and moisture to get in, potentially causing serious structural damage, mildew and mold growth, and more.

What happens if you have a damaged roof?

If you have damaged portions of the roof, particularly ones that lead to leaks, they will carry over to the new setup. Even worse, they’ll be difficult to get to after the new roofing system has been installed.

Why you Will Need to Add Porch Roof to existing Roof

There are different options for trying a porch on your existing roof. It gives your family a long area to enjoy the outdoor sight. This is especially beneficial as it protects you from the elements.

Different Types of Porch Roof you Can Add to Existing Roof

In this article, we will discuss three common porch roofs. Each type of roof needs a different method though. Let’s know about it in detail:

Step by Step Guide to Tie Porch Roof to Existing Roof

Before you start your project, you should know about the local building codes and other permit requirements. Most of the time, the DIYers are afraid of getting permission due to extra cost and time.

Final Word

Tying a porch roof to an existing one is not easy. It needs proper planning and skill. If not done in the right manner, it can come with substantial damages. If you are an experienced DIYer with all this knowledge, you can proceed further. Otherwise, contact a good roofer to get more benefit from the task.

How to Join Two Roofs Together?

Preparing the area. Clean the affected area from any debris, including removing the shingles and underlayment that cover the roof. No need to remove it all. Make it to the extent of around 6 inches from the edge of every pitch.

Where to put flashing material on roof?

Place the flashing material at the meeting point. Start by placing it from the higher joint area first. Remember to slip the flashing material to the roof pitch as well.

Why do you put felt on a roof?

Now, it’s time to apply the roofing felt to protect the roof’s inner side from moisture and such.

Can you attach a gable roof to an existing roof?

If you decide to attach the gable roof yourself, make sure you learn to attach a roof to an existing roof how-to. That way, you have a certain guideline of how to do it. Having someone to accompany you will be much better than doing it all alone.

Can you stain wood before painting?

If needed, you can stain your wood pieces with protective paints before installing them.

Can You Increase the Pitch of a Structure by Building a Roof Over an Existing Roof?

Yes, you can do this as well. The cheapest option is to simply leave the old roof as it is and place new rafters over the existing roof. The pitch of the roof is just how much it slants. This is measured in the number of inches for every 12 inches of roof. If you’re installing a new roof, going with a steeper pitch than the old roof is ideal.

Should Old Shingles be Removed?

If the old shingles are secure and show no signs of damage, they can remain in place when installing the new roof. If there are areas that have been severely damaged or there is noticeable pulling of shingles, they should be removed. In cases where the damage is extensive, removing the old roofing shingles completely is advisable.

What is the point where two metal roofs meet?

The point where the two meet is known as the transition. To protect against water intrusion, you’ll need to install transition flashing along the line where these two roofs connect. Then, sections of shingles are removed and the final pieces of metal roofing are installed before the flashing is put in place.

What do you do when you have set up the structural support for a new addition?

When you have set up the structural support for the new addition, you will want to snap the chalk lines on the shingles. This is to mark the center of what will be the new roofing valley. The nice thing is that you can either strip off the shingles or you can leave them there, framing over them later. It is up to you.

What is the purpose of valley board?

The purpose of the valley board is to give yourself a solid surface for nailing when you go to install the jack rafters. Without that even surface, you could wind up putting in nails unevenly that don’t properly secure.

Why do you tie in an addition to your roof?

The idea behind tying in the addition’s roof with your existing roofing is to minimize any possible openings and opportunities for leaking. If the new addition is installed improperly, it can create the chance for air and moisture to get in, potentially causing serious structural damage, mildew and mold growth, and more.

What happens if you have a damaged roof?

If you have damaged portions of the roof, particularly ones that lead to leaks, they will carry over to the new setup. Even worse, they’ll be difficult to get to after the new roofing system has been installed.