SAMUEL MULLER STK-100 Window Trim Kit Instructions

SAMUEL MULLER STK-100 Window Trim Kit Instructions

Window Trim Kit Installation Instructions

Thank you for purchasing your Samuel Mueller® Window Trim Kit. Please read the instructions carefully prior to installation. If you have an installation that is not covered here, please contact your Samuel Mueller® dealer or contact Samuel Mueller® directly for additional information to cover your application.

Warning – Please inspect the shower seat for breakage and report any damage to the store of purchase. Allow product to acclimate to room temperature before installing.

Tools and Supplies Needed for Installation

• Miter Saw with carbide-tipped blade
• Table saw or circular saw with carbide-tipped blade
• Jig Saw with wood finish blade
• Random orbital sander
• Belt Sander with 80-grit belt
• 150, 220 and 320 grit Sandpaper & Scotch-Brite® pad
• Caulk Gun
• Leve
• Square
• Denatured or Isopropyl Alcohol
• Clean shop rags
• Paintable latex caulk

The Window Trim Kit is designed for a window inside the shower or tub enclosure, up to 36” x 36”.

Installation Order: Sill, Header, 2 Jambs

Cut and Fit Sill
The sill is sloped for water drainage. The sill has a slope built into it during the manufacturing process – make sure that adequate slope is maintained and that water will run off

A. The sill can either be notched to overlap the jamb, or end up flush. This determination should be made.
B. Rip (cut) sill to required depth. The ripped edge will not be seen. It will come in contact with the window. Additional fitting can be done with a belt sander if needed.
C. Measure between the jamb studs of the window opening and ensure that they are square. This may have to be addressed when installing the jamb pieces. Measure the narrowest part of the sill between the side jambs. Determine how much overlap of the ears of the jamb you will want. Measure in the amount plus approximately 1/4”-1/2” and make a mark. Determine the depth of the sill. Mark this area to be notched out. (Tip: Jambs can be a little tricky due to leftover sheetrock mud or other framing inconsistencies. Use a level, square or flat edge to check all planes to make sure they are square and flat. Make necessary adjustments ahead of time.) If there is extra length, cut off the extra, making the end the same as the other.
Double check your measurements and make notch cuts with a jig saw. Check your fit and make necessary adjustments. The extra length of the ears will be cut off after checking jamb fit.

Cut and Fit Header
The header is not sloped and will not need to extend beyond the outside build- up of the jambs.
Follow the instructions above, starting with step A.

Cut and Fit Jambs
A. With the header and sill securely held in place, cut the jamb to the proper length. Be sure to cut the necessary angle on the sill side. This will be approximately 2 degrees.
B. Fit the whole unit together and mark the desired length of the notch cuts on the sill and header
C. Cut the ears from the sill and header. These ends will be visible and should be sanded using 150, 220, and 320 grit sandpaper, in that order.

With the completely cut and dry fit, disassemble the unit.

Sealing and Installing
A. Apply silicone to the edge of the sill and jambs that will come in contact with the window. A line of silicone should be applied on the inside corner of the sills and jambs. Make sure that any leveling shims used are in location.
B. Using a couple of dots of silicone on the flat contact surfaces, install the sill and header. With the header held in place, apply silicone where the ends of the jambs come in contact with the header and sill. Slide the jambs into place. Remove all excess silicone (using the alcohol if necessary). Check all joints for voids and reseal as necessary to prevent leakage and fill any gaps remaining with the color-matched silicone provided.

• SAMUEL MUELLER
• 800 Bronze Road
• Warren, OH 44483
• Phone: 844-974-2400

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