M-D BUILDING PRODUCTS

L-shaped DCV 50 door bottom fits both 1-3/8 in and 1-3/4 in doors. Seals between bottom of door and threshold to block out air and moisture. Slotted fastener holes allow easy installation and adjustment. 1-3/32 in height drip cap and 1/2 in height door bottom...

U-shaped door bottom with drip cap. Seals between bottom of door and threshold to block out air and moisture. Slotted fastener holes allow easy installation and adjustment...

Unfinished hardwood door sweep. Triple fin vinyl seal ensures airtight seal. 2 in H...

Durable U-shaped vinyl door bottom has soft vinyl fins to seal against top of threshold and sill. Ideal for steel doors. CDB 134 fits most 1-3/4 in steel or wood doors. 1-1/2 in H...

Door and window high density, self-adhesive weatherproofing tape. Tough sponge rubber ensures long-lasting seal. Can be trimmed to fit application...

Door and window high density, self-adhesive weatherproofing tape. Tough sponge rubber ensures long-lasting seal. Can be trimmed to fit application...

Door and window high density, self-adhesive weatherproofing tape. Tough sponge rubber ensures long-lasting seal. Can be trimmed to fit application...

Door and window high density, self-adhesive weatherproofing tape. Tough sponge rubber ensures long-lasting seal. Can be trimmed to fit application...

Premium heavy-duty threshold, with replaceable vinyl insert. Steel retainer holds inserts securely, can't be kicked out. Vinyl caulk feet seal bottom of threshold. Height of 1-1/8 in...

Premium heavy-duty threshold, with replaceable vinyl insert. Steel retainer holds inserts securely, can't be kicked out. Vinyl caulk feet seal bottom of threshold. Height of 1-1/8 in...

Deluxe heavy-duty threshold. Heavy extruded aluminum threshold with replaceable vinyl insert. Vinyl caulking feet seal bottom of threshold. 3/4 in of height with insert. 1/2 in of height without insert...

Deluxe heavy-duty threshold. Heavy extruded aluminum threshold with replaceable vinyl insert. Vinyl caulking feet seal bottom of threshold. 3/4 in of height with insert. 1/2 in of height without insert...

Heavy-duty, premium extruded aluminum threshold with replaceable vinyl insert. Install on door bottom or on top of existing wooden threshold. Height of 7/16 in...

M-D Air Conditioner Panel Kit with Self-Adhesive Installation Strips, Specifications: 9 in Width X 18 in Height X 7/8 in Thickness, Includes: Self-Adhesive Installation Strips..

Standard economy-grade extruded aluminum low rug threshold with vinyl seal. Vinyl caulking strips under legs. Height of 3/4 in...

Economy-grade standard high rug extruded aluminum threshold, with vinyl seal. Designed for use with thick pile carpet. Height of 1-1/8 in...

Premium extruded aluminum low threshold with replaceable vinyl insert and vinyl caulking strips under legs. For outswinging doors. Height of 5/8 in...

Installs in channel on bottom of garage door, no fasteners needed. Prevents drafts, dirt, insects and rain from entering under garage door. Insulates a single garage door. Remains flexible during cold temperatures. Vinyl material. Provides a shock-absorbing cushion when door is closed...

Installs in channel on bottom of garage door, no fasteners needed. Prevents drafts, dirt, insects and rain from entering under garage door. Insulates a single garage door. Remains flexible during cold temperatures. Vinyl material. Provides a shock-absorbing cushion when door is closed...

Heavy-duty bumper threshold. Extruded threshold with replaceable vinyl insert. Vinyl caulking strips under legs. For outswinging doors. Screws included. Height of 3/4 in...

Extruded threshold with replaceable insert. Vinyl caulking strips under legs. For outswinging doors. Height of 1 in...

Extruded threshold with replaceable insert. Vinyl caulking strips under legs. For outswinging doors. Height of 1 in...

Designed to compensate for and seal uneven gaps between bottom of door and floor. Four set screws allow for adjustment to seal uneven gaps between bottom of door and floor while vinyl caulk feet seal between threshold and floor. Height of 7/8 in to 1-5/16 in...

Deluxe heavy-duty threshold. Heavy extruded aluminum threshold with replaceable vinyl insert. Vinyl caulking feet seal bottom of threshold. 3/4 in of height with insert. 1/2 in of height without insert...

Extruded aluminum smooth flat top threshold. Use with low pile carpet or tile. Includes screws...

Extruded aluminum smooth flat top threshold. Use with low pile carpet or tile. Includes screws...

Premium heavy-duty threshold, with replaceable vinyl insert. Steel retainer holds inserts securely, can't be kicked out. Vinyl caulk feet seal bottom of threshold. Height of 1-1/8 in...

Deluxe heavy-duty threshold. Heavy extruded aluminum threshold with replaceable vinyl insert. Vinyl caulking feet seal bottom of threshold. 3/4 in of height with insert. 1/2 in of height without insert...

Extruded aluminum smooth flat top threshold. Use with low pile carpet or tile. Includes screws...

Extruded aluminum smooth flat top threshold. Use with low pile carpet or tile. Includes screws...

Exterior extruded aluminum threshold with vinyl caulking strips under legs to form a tight seal between the floor and threshold. Includes screws. Height of 5/8 in...

Heavy-duty. Ideal for commercial use. Meets or exceeds ADA requirements. UL listed, fire labeled and meets handicap requirements. Slip-resistant. Height of 1/2 in...

Commercial heavy-duty extruded aluminum threshold. Meets or exceeds ADA requirements. UL fire labeled. Slip-resistant. Height of 1/2 in...

Hardwood provides durable residential threshold. Low thermal transfer coefficient of wood helps save energy. Can be painted or stained to match room trim. Height of 3/4 in...

Hardwood provides durable exterior residential threshold. Low thermal transfer coefficient of wood helps save energy. Can be painted or stained to match room trim. Height of 1-1/16 in...

Hardwood threshold with flexible vinyl seal provides an attractive seal to block out cold air. Can be painted or stained to match room trim. Height of 1-1/8 in...

M-D Heavy-Duty Door Sweep, 36 in Length, 2 in Width, Aluminum Insert, Matte Black Insert, Includes: Vinyl Seal..

M-D Threshold, Low Profile, Aluminum, Matte, Black, 36 in Length, 3-3/4 in Width, 3/4 in Height..

M-D Under Door Seal, Aluminum, Matte Black, 36 in Length, 2-1/4 in Width, 1-3/8 in Thickness, Includes: Grip Cap and Vinyl Insert..

M-D Under Door Seal, Aluminum, Matte Black, 36 in Length, 2-1/4 in Width, 1-3/8 in Thickness, Includes: Grip Cap and Vinyl Insert..

Hardwood provides durable residential threshold. Low thermal transfer coefficient of wood helps save energy. Can be painted or stained to match room trim. Height of 3/4 in...

Interior hardwood threshold...

Interior hardwood threshold...

This attractive hardwood threshold adds beauty to your home and protection from the elements. It can be stained or painted to match the finish of your door or flooring. A door sweep or door bottom is recommended to be used with this threshold to provide the best weather tight seal...

Vinyl replacement insert designed specifically to replace damaged or lost original vinyl insert...