One of the most common repairs we complete out in the field is to seal leaky gutters.
How to seal aluminum gutters.
In the category of professional caulking compounds the polymer and tri polymer caulks are excellent choices for repairing leaky gutters and sealing new gutter installations.
Gutter caulks are designed to work in the conditions gutters face and as such they last much longer than non gutter caulks.
Gutter sealer comes in squeezable or in calking gun tubes and the price can run you from about 5 to 10 depending on the amount and quality.
If there is a functionality issue with the aluminum where the joint is moving around no amount of sealant.
If the metal gutter parts have rusted through you can quickly and easily patch it.
One brand of tri polymer caulks the ct1 sealant is a hybrid polymer formulation that contains no solvents.
If possible go with a caulk that is specifically formulated for gutters.
This means the caulk will not shrink as it cures.
You should never need to apply sealer to the outside of the gutter.
Patch small holes with roofing cement.
Learning how to fix leaky gutters is an easy inexpensive project you can do yourself.
If your gutters are painted in another color choose a clear caulk.
Allow the insides of the gutters to dry out and brush leaking seams clean.
See below for a shopping list and tools subscribe to this old house.
Time after time we see the failed efforts of well intentioned diy ers head up the ladder and attempt to silicone and spray their way to success.
Use a putty knife to spread the cement generously around.
If it is large use a piece of galvanized metal flashing.
Applying sealer to rain gutter joints.
For sealing and joining lap seams in aluminum or vinyl gutters and downspouts we recommend a permanently flexible and water resistant sealant.
Gutter sealing happens from the inside of the gutter.
This old house general contractor tom silva has a fast fix for a dripping rain gutter.
You can buy gutter caulking compound online.
If you have white gutters use a white caulk.
Apply silicone or special gutter caulking compound along the seams on the inside and outside to seal the leaks as shown above.
A waterproof sealing product such as ge clear gutter caulk available on amazon is easy to use.