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Ceramic Glass GrandSeal Masonry Fireplace Door

Be sure to take all measurements to the nearest 1/16” using a steel tape measure. Note any irregularities around the opening of the fireplace, such as projecting or recessed brick, and advise us before you place an order. For complex custom applications, a photograph of the fireplace will prove very helpful.

 

OVERLAP FIT (needs hearth to sit on)

When the fireplace door is larger than the opening of the fireplace. Measure the width of the opening at the top and again at the bottom. We need the exact minimum width. Next, measure the height of the opening from the hearth (where the door will sit) to either the bottom of the lintel bar or the bottom of the finishing material (brick, marble, etc). We need the exact minimum height.

 

4-SIDED OVERLAP FIT (for suspended openings)
When the fireplace door is larger than the opening on ALL 4-SIDES of the fireplace. Measure the width of the opening at the top and again at the bottom. We need the exact minimum width. Next, measure the height of the opening from the firebox floor either to the bottom of the lintel bar or the bottom of the finishing material (brick, marble, etc). We need the exact minimum height. Make sure there is enough space for the frame to overlap on all sides of your fireplace opening!

 

INSIDE FIT (inside firebox opening)

When the fireplace door is smaller than the opening of the fireplace, and fits inside of the fireplace opening. Measure the width of the opening at the top and again at the bottom. We need the exact minimum width. Next, measure the height of the opening from the hearth/floor to either the bottom of the lintel bar or the bottom of the finishing material (brick, marble, etc). We need the exact minimum height.

 

DO NOT make adjustments to sizes, we need the EXACT OPENING size

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INSIDE FIT - Generally, the clearance tolerance gaps can be filled from the backside of the frame using high temp silicone RTV. If the gaps become excessive (as in a stone fireplace), it may be necessary to mortar in the enclosure. Clearance tolerance gaps are determined by the manufacturer according to your opening size.
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If no images are submitted with your order, it will be placed on hold until we receive a photo of your fireplace. Please send your image to [email protected].
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Our GrandSeal Glass Fireplace Door is designed for closed door use on high heat output masonry fireplaces. This Masonry Fireplace door product was designed with sealed cabinet doors that surround ceramic glass panels. A gasket seal works in a number of different ways. It seals the frame of the door to the face of the fireplace, which helps to eliminate back smoking at negative pressure levels in excess of -25 PA, keeps cold drafts and odors from entering your home, and prevents air infiltration. Even in areas with stricter energy codes, this fireplace door allows you to maintain a traditional wood burning fireplace! Ceramic glass is rated to 1400 degrees and is recommended for all closed door use. Ceramic glass also improves the heat transfer from the fire into the room as the radiant heat energy easily passes through this material. The heavy 1/4 inch steel frame comes in a satin black finish, which is agreeable with any home decor. For better air flow control, the grandseal fireplace door comes with the option of a slotted room airinlet. Cabinet doors swing open easily with the help of the bottom mounted wood handles. For the times when you prefer to enjoy a fire with the doors open, consider upgrading to mesh protection to shield your home from sparks and embers.


Ultimate Seal Masonry Fireplace Door Features Product Features:

  • 5 year warranty on workmanship and material only; 10 year warranty on ceramic glass against breakage due to heat
  • This is an overlap fit or inside fit super duty air sealed fireplace door
  • Classy satin black finish, or choose from stove bright color options
  • Heavy steel frame is 1/4 inch thick and comes with the option for a slotted room air inlet
  • Energy compliant; proven to eliminate back smoking at negative pressure levels in excess of -25 PA
  • Mesh protection is not included, but upgrades are available
  • Door comes fully assembled with included mounting hardware
  • Door styles are tested to UL 907 and listed with Intertek testing when ordered with ceramic glass and wood handles!

Ultimate Seal Masonry Fireplace Door Specifications Product Specifications:

  • Door Fit: Overlap | Inside
  • Door Type: Cabinet Doors
  • Material: 1/4" Heavy Steel Frame
  • Approximate Overlap: 1" On Overlap doors, inside fit doors don't overlap
  • Recessed Depth: 2"
  • Main Frame Finish: Satin Black
  • Door Frame Finish: Satin Black
  • Glass: 3/16 Ceramic Glass
  • Mesh Protection: Not Included (Upgrades Available)
  • Draft Assembly: Slotted Damper Optional
  • Air Sealed Option: Yes
  • Assembly: Fully Assembled
  • Handle: Wood Block
  • Mounting: Hardware Included
  • Door styles are tested to UL 907 and listed with Intertek testing when ordered with ceramic glass and wood handles!
  • 10 year warranty on ceramic glass against breakage due to heat

1. The tools required for installation: a power drill, a 1/4" metal drill bit, a 3/16" masonry drill bit, a 5/16" socket with ratchet, a caulking gun, hi-temp silicone and safety glasses. Always wear safety glasses during installation to prevent unwanted objects in your eyes. Use properly grounded electrical cords to prevent electrical shock.

2. The door installation kit includes: an insulation strip, self tapping masonry lag screws and 2-wooden handles.

3. Remove all parts and protective packing from the door carton.

4. WARNING! This door frame must be installed PLUMB!! DO NOT FORCE THE DOOR TO FIT IRREGULAR OPENINGS!! This will cause misalignment of the glass sections and a poor seal will result. Plumb the masonry front with cement or fill the void with insulation. All doors are factory fit on a plumb surface to verify alignment and fit of the doors.

5. Measure the sides of the opening to determine where cement joints exist. Drill the builders flange using the 1/4" metal drill bit at the appropriate joint heights and in ½ inch from the back side of the builders flange. Usually, the lowest holes are up approximately 8" from the hearth line. Drill the top holes approximately 2" down from the lintel iron. See the illustration on the back of this page. Place the door frame into the opening and mark the cement seams where the holes have been made in the builders flange. Remove the frame and drill holes into these marked areas with the 3/16" masonry bit. These holes must extend in as deep as the lag screws.

6. Reposition the frame into the opening and start the masonry lags in the holes. Set the door frame in the opening and center left to right. Insert the fiberglass seal between masonry and the builders flange. Tighten the screws into the masonry cement using the 5/16" socket and ratchet. Verify that the door frame is plumb. Place the doors on the hinges and re-plumb if doors are out of alignment. Tighten all mounting screws evenly.

7. Use Hi-temp silicone to seal the inner perimeter of the builders flange to the fireplace facing for maximum sealing, avoiding contact with the outside finished front of doors and frame.

8. If a bottom mounted block wood handle is used, place several drops of crazy glue in the handle hole to permanently attach the wood handle to the door latch. The flat non-milled side of handle goes toward the door. Glue contacting the door or frame finish may discolor this finish.

Wilkening Door Installation  

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Last updated on February 2nd 2024.

 

 

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