EZ Seal - Emergency Roof Patch #550 - Bentonite - 3.5 Gallon Bucket
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Lucas EZ Seal - Emergency Roof Patch #550 - Bentonite - 3.5 Gallon Bucket

SKU: L-550-3.5

Est Delivery between and .

Estimated Delivery Time Of 7-10 Working Days

Lucas #550 is a fast and effective product for temporarily stopping leaks in all types of low-slope roofs. Manufactured from gel forming bentonite clay, #550 forms a watertight barrier when exposed to water. Ideal for stopping leaks during rainstorms, in ponding areas or in winter when there is snow on the roof. Formed into free-flowing micro-pellets, Lucas #550 pours easily from the spout on its’ reusable waterproof plastic container. The small pellet size exposes a greater surface area resulting in a faster gel and water stopping seal.


Remove the cap from the lid of the pail and pull the spout to extend it fully prior to unscrewing the cap. To seal a leak, pour the #550 over the suspected leak area 1/2 to 1 inch thick. When using as a barrier, pour in a circle around the area to be repaired as needed to block the flow of water. Remove water from inside of the circle with a wetvac. Dry the surface and repair as necessary. #550 may also be used as a night seal. Pour onto the exposed edge of the roof to prevent moisture entry from heavy dew or unexpected rain. Sweep off and resume work when desired.

Clean Up: Soap and water.

Shelf Life: Indefinite.

brand Lucas
color Gray
material type Gel Forming Bentonite Clay

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.