Cleanout Doors



Lindemann Chimney Supply sells wholesale only  to the chimney and hearth industry.




Chimney Cleanout Doors, Ash Dump Door Access cleanout doors for fireplaces and chimneys. We also stock the silicone, refractory and fireplace mortar you'll use to seal around the doors.

Ash Dump Door
Ash Dump Door
Solid cast iron ash dump doors measure 4-1/2" x 9". Fits most ash dumps, minimizing the amount of masonry work needed to install it.
850349
Chimney & Fireplace Access Doors
Stainless Steel Insulated Clean Out Door
Top of the line in clean out/access doors. Insulated so they are perfect for installing in the back of a fireplace, oras an interior clean out in a basement. 2 sizes.

15" x 15"
760607
15" x 10-3/4"
760608
Ahrens Masonry Clean Out Door
Masons's coice for a masonry chimney. Mu thedoor frame into the opening, then slide the masonry door in and down. 2 sizes.

6-1/4" x 9"
760603
9-1/2" x 11-1/2"
760604
8" x 8" Galvanized Clean Out Door
Interior size is 8" x 8". Easy to stack and store in your truck.
850488
 Lock Tite Cast Aluminum Clean Out Door
Glue in place with silicone sealant (provided) and tighten 4 bolts. Child resistant and energy efficient. 3 sizes
8" x 8"
121388
8" x 12"
121382
12" x 12"
121322
Mortar, Silicone, Refractory
Exterior Chimney Masonry Patch
Repairs broken mortar in chimneys, crowns, brickwork, foundations - anywhere a concrete or mortar repair is needed. Non-freezing formula can be applied down to 0 degrees F if cartridge is warmed before application. Cartridge tube, 12 per case.
742903
Non-water soluble & Acid resistant. Easy to use, just add water and mix.

One product for both firebrick and flue liners.
Heat Stop Refractory Cement is used to make repairs to clay flues, firebrick, breachings and much more. Available in dry or premixed form. Cast it, color it, use it for repairs. Heat Stop II is a castable refractory cement.
Heat Stop 15 lb., premixed
720515
Heat Stop 10 lb. bag, dry
720550
Heat Stop II, 10 lb. dry
720610
Heat Stop 50 lb. premixed
720650
Domestic Fireplace Mortar, 15 lb
720611
Domestic Fireplace Mortar, 50 lb.
720612
Rutland Refractory:
Dry Mix 211
Developed for use in blast furnaces. Exceptional strength and abrasion resistance. Ideal for casting into custom shapes to replace old firebrick.
High Temp Silicone
Black and Clear high temp silicone are both rated to 500 degrees. Super Red silicone is rated to 600 degrees.
Black - one 10.3 oz. tube
742001
Clear - one 10.3 oz tube
742101
Red - one 10.3 oz tube
742907






















































































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