when people build decks that attach to the house for structural support, they usually neglect to follow an important step, and end up causing moisture damage to the structure of the house. the board on your deck that is attached to your home is called the ledger board .
2 answers. however, there is no way to tell where the leak is coming from without a thorough inspection of the area. first step would be to check the roof/wall intersection above for proper flashing. water leaks almost always originate higher up from where they come out. i would suspect the flashing/ counter flashing along the roof line with
what is the leak is coming from the 2nd floor, rolling down the wall behind the siding, and then showing as a leak where the roof meets the wall. if you seal the roof to the siding, this will prevent water from entering at this source, but may not do anything if the leak is coming from above.
hard driving rain causes leak around window. the problem could be in the pointing of the bricks or on lead flashing or a roof tile. it may be covered by your house insurance. see if you can find the issue yourself, it's possible a tube of silicone sealant might fix it, or ask a builder you trust to investigate it for you.
and in our experience, when a single piece of flashing extends only a few inches under the shingles, especially on a long roof slope, and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall, the accumulated roof drainage water near the bottom end of the roof-wall intersection will overwhelm the width of the flashing and, because it is not directed back out on top of successive shingle courses, it leaks into the building or building
when it comes to the deck, a strip of flashing is brought down the wall of the house and over the top of the ledger the piece of dimensional lumber attached to the house at the edge of the deck . this all-important water barrier should extend up the wall at least 4 in. lots of materials can be used for flashing.
house roof meets porch roof siding leak yep you read the title right, i think. ha ha. i have a rough illustration below that explains it better, but i got called to fix a leak in the soffit of a back porch where the now ex-husband had built a porch roof and tied it into the house roof, well kind of, from the roof top it looks like the gabled
when learning how to repair a leak where a patio roof meets the main roof, there are some important considerations you should make such as whether the patio roof will be able to support your weight. patio roofs are typically weaker and less reinforced than main roofs, but holes can easily be repaired with the right tools, materials and instructions.
go under the porch to pinpoint the leak source; seal the source with a hybrid sealer; if the source is the junction where wall meets porch, plan to install proper flashing when the weather gets
how to repair a leak where a patio roof meets the main roof. patio roofs are typically weaker and less reinforced than main roofs, but holes can easily be repaired with the right tools, materials and instructions. take a read through the steps below to repair the roof joint without damaging your home and your patio.
of all the leaks aboard a boat, the hull/deck joint is probably the most persistent, hardest to find and hardest to fix of all. by the vary nature of the joint, water can travel great distances
when bad rain storms hit and the wind blows just right, the covered roof offers little protection and the rain leaks into the basement. during the winter months, blowing snow sits on top of the porch, then on slightly warmer days it melts and leaks into the basement. the water leaking down saturates the wood between the tongue and groove.
thank you for the quick reply. both decks are on eave sides of the home. the new deck is a replacement. when i tore the prior deck off the house i found the builder had put the deck ledger and rim joist together and then ran a bead of ?caulk? along the top of the union.
deck-to-house intersection because i'm a remodeling contractor, the existing siding and trim is usually in place when i build and attach decks. to permit a positive ledger-to-house connection, the siding needs to be cut back, and in the process, the weather barrier behind the siding is usually cut too, which disrupts the existing drainage plane.
caulk the edges of this piece where they meet both the roof and the side of the house on the corner. this area has the most chance to leak since the piece of flashing does not cover the entire area. the caulk seals the corner and prevents it from leaking.
the flashing is customised to the shape of the verandah roof, and attaches to the wall or facia, completely covering where the verandah attaches to the home, making it impossible for water to leak
is your patio sloped into the house or away from it? if it is sloped towards the house caulking that gap will only move the leak to the sides of the patio. you need to get the water away from the house. trying to seal this or that leak will only move the problem elsewhere in the basement.
place the flashing between the joint of the house and the roof. the flashing on the wall should be flush against it, and the porch roof portion should be on top of the shingles. nail the flashing securely in place using roofing nails. try to keep the nails as flush as possible to the edges.
step 1. check the joints of a corrugated metal or plastic roof. the sheets are commonly overlapped at the joints, and deterioration of the material at the location of the bolts holding the panels in place can cause leaks.
deck flashing i have posted this before, but deck flashing is that small piece of bent metal, sometimes called 'z flashing,' seen in the circle to the left. it is installed under the siding and over the ledger beam so no water can enter the house behind that ledger beam. that way the bolts are just that and not waterways.
this video is showing how a contractor failed to install the proper flashing around a deck. the result was a rotted out flooring structure on house. many contractors do not know the proper
water leaks almost always originate higher up from where they come out. i would suspect the flashing/ counter flashing along the roof line with the house. likely you will have to remove a several foot strip of siding to inspect what measures have been used to waterproof the house-roof junction.
additionally, yes, there are compounding issues. the gutter on that side of the house needs to be cleaned, and seems to not have quite the right slope to it, so water drips down from it right onto the patio about a foot from the edge of the house, right where the water comes in.
i am going to assume that you have a concrete patio which has a small gap where it meets the house foundation. in this case what i would use is a polyurethane caulk made for masonry, like this one: loctite pl10 often the gap to be filled is quite deep. in that case the use of backer rod before caulking is recommended. backer rod