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M-d Products

M-D Building Products, Inc. has a rich history of product development and manufacturing expertise. Beginning in 1920 as Macklanburg Duncan, the M-D story encompasses over 90 years of inventing and manufacturing products demanded by our customers. Our products are industry leaders or contend for industry leadership in the categories of weatherization, flooring tools, flooring accessories and digital levels.

M-D Building Products is committed to manufacturing in the USA and owns two domestic manufacturing facilities; one in Oklahoma City, OK and the other Gainesville, GA.

M-D Building Products began in the weatherization and home sealing industry. While one of the nation's oldest such companies, it continues to lead the weatherization industry in realizing better and more sustainable channels for more comfortable living. M-D is focused on creating a healthier environment and conserving our natural resources through all of its complementary businesses: weatherization, flooring tools and accessories, digital levels and engineer OEM products.

   

Universal Garage Door Bottom ss_pt1917813
Product Features
  • Garage Door bottom
  • Thermal Plastic Elastomer, rubber seal closes gaps up to 3/4'' at bottom of garage door to seal out air, moisture and dust
  • Stays flexible to minus 40º
More Options: Size »

Universal Garage Door Bottom

by M-d Products

from $27.99 $32.61

  (2)
Steel Sheet (Set of 3) ss_pt1917813
Product Features
  • Steel sheet
  • Sheets are rust resistant for indoor or outdoor use
  • 22 gauge and 16 gauge are Weldable, ucoated cold rolled steel. Paint to prevent rust
More Options »

Steel Sheet (Set of 3)

by M-d Products

from $17.97 $21.60

  (1)
Vinyl Garage Door Threshold ss_pt1917813
Product Features
  • Includes adhesive
  • Threshold
  • Durable garage door threshold
  • Easy to install
  • Durable vinyl seal construction
More Options: Depth »

Vinyl Garage Door Threshold

by M-d Products

from $38.99 $51.47

  (1)
Heating Cable ss_pt1917813
Product Features
  • Pipe heating cable
  • Ready to install, grounded cord and plug, thermostat controlled with pilot light
  • UL and CSA approved pipe heating cable designed to prevent water line freeze up
More Options: Size »

Heating Cable

by M-d Products

from $34.99 $53.00

  (1)
Vinyl Stair Tread in Brown ss_pt1917813
Product Features
  • Vinyl wall base stair treads
  • Finish: Brown
  • Residential use

Vinyl Stair Tread in Brown

by M-d Products

$17.99

  (1)
Flap and Hood Mail Slot ss_pt1917813
Product Features
  • Mail drop slot
  • Flap and hood included
More Options: Finish »

Flap and Hood Mail Slot

by M-d Products

from $29.00 $51.99

  (1)
Air Conditioner Cover ss_pt1917813
Product Features
  • Air conditioner cover
  • Durable polyethylene blocks out water, ice, dust and leaves during off season

Air Conditioner Cover

by M-d Products

$26.99 $32.47

Vinyl Dual Durometer Door Bottom ss_pt1917813
Product Features
  • Door bottom
  • Brown finish

Vinyl Dual Durometer Door Bottom

by M-d Products

$17.99

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Vinyl Stair Tread in Black ss_pt1917813
Product Features
  • Vinyl wall base stair treads
  • Finish: Black
  • Residential use

Vinyl Stair Tread in Black

by M-d Products

$18.99

Lincaine Perforated Sheet (Set of 3) ss_pt1917813
Product Features
  • Sheet
  • Material: Aluminum
  • Perforated aluminum sheet
  • Lincaine design

Lincaine Perforated Sheet (Set of 3)

by M-d Products

$70.35 $105.03
Free Shipping
Self Adhesive Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Rigid vinyl with soft vinyl sweep
  • Flexible to compensate for carpet or uneven
  • Sticks to all doors
More Options: Finish »

Self Adhesive Door Sweep

by M-d Products

$16.00 $16.50

  (2)
Air Conditioner Side Panel Kit ss_pt1917813
Product Features
  • Includes fasteners
  • Air conditioner side panel kit
  • Self adhesive
  • Provides all season protection against drafts, moisture, dust and insects

Air Conditioner Side Panel Kit

by M-d Products

$37.00 $59.00

Automatic Seal Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Raises automatically to clear carpet and lowers automatically to make tight seal when door closes
  • Weatherproofs and soundproofs

Automatic Seal Door Sweep

by M-d Products

$39.99 $40.20

U Shaped Door Bottom with Drip Cap ss_pt1917813
Product Features
  • Door bottom
  • Fire labeled
  • U shaped with rain drip
  • Vinyl insert
  • Mill finish

U Shaped Door Bottom with Drip Cap

by M-d Products

$21.00

  (2)
Door Sweep Replacement Insert ss_pt1917813
Product Features
  • Door sweep
  • Vinyl replacement inserts for CDB/DCV

Door Sweep Replacement Insert

by M-d Products

$16.99

Central Air Conditioner Cover ss_pt1917813
Product Features
  • Air conditioner cover
  • Protects against accumulation of ice, leaves and dust
  • For most square residential units
  • Easy drawstring installation

Central Air Conditioner Cover

by M-d Products

$32.00 $49.00

Door Seal Tap and Side ss_pt1917813
Product Features
  • Door seal tap and sides
  • Measure, trim, peel and stick
  • Less than 7 minute installation
  • Seals top and sides of door from drafts, dust, water and insects

Door Seal Tap and Side

by M-d Products

$38.99 $49.50

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1.25" Aluminum Floor and Carpet Seam Binder in Pewter ss_pt1917813
Product Features
  • Floor and carpet seam binder
  • Screw nails not included
  • Material: Aluminum
  • Fluted
  • Finish: Pewter

1.25" Aluminum Floor and Carpet Seam Binder in Pewter

by M-d Products

$19.99

L Shape Door Bottom ss_pt1917813
Product Features
  • Door bottom
  • Heavy duty door sweep with vinyl seal insert
  • Brite dip gold finish

L Shape Door Bottom

by M-d Products

$34.99 $38.99

Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Extruded aluminum with vinyl sweep
  • Aluminum and vinyl construction

Door Sweep

by M-d Products

$31.00 $35.30

Door Bottom Drip Cap ss_pt1917813
Product Features
  • Door bottom
  • U-shaped 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
More Options: Finish »

Door Bottom Drip Cap

by M-d Products

from $35.99 $42.30

FlexOMatic Automatic Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Spring action door sweep automatically raises to clear the carpet
  • Sweep automatically lowers to firmly press against floor or carpet
More Options: Finish »

FlexOMatic Automatic Door Sweep

by M-d Products

$32.99

Door U Shape Bottom ss_pt1917813
Product Features
  • Door bottom
  • U shaped door bottom with rain drip cap
  • Fire labeled

Door U Shape Bottom

by M-d Products

$32.99

Air Conditioner Cover ss_pt1917813
Product Features
  • Air conditioner cover
  • Carded
  • Durable polyethylene blocks out water, ice, dust and leaves during off season
  • For use on window units

Air Conditioner Cover

by M-d Products

$20.99 $42.64

Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Aluminum and felt construction
More Options: Finish »

Door Sweep

by M-d Products

from $30.00 $32.31

Door Bottom ss_pt1917813
Product Features
  • Door bottom
  • Extended shoe
  • Vinyl insert
  • UL fire labeled
  • Mill finish

Door Bottom

by M-d Products

$49.99 $59.99
Free Shipping
1.13" x 3.75" Vinyl Seal High Boy Threshold in Satin Nickel ss_pt1917813
Product Features
  • Type: High boy threshold
  • Replaceable vinyl insert
  • Steel retainer holds inserts securely so they can't be kicked out
  • Heavy duty premium high boy

1.13" x 3.75" Vinyl Seal High Boy Threshold in Satin Nickel

by M-d Products

$34.00

1.75" Reducer in Clear ss_pt1917813
Product Features
  • Type: Reducer
  • Includes screws
  • Color: Clear
  • Material: Unfinished oak
  • Distressed: No

1.75" Reducer in Clear

by M-d Products

$24.99

Decor Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • All season protection against drafts, moisture, dust and insects
  • Metal construction
  • Durable powder coated oak finish

Decor Door Sweep

by M-d Products

$37.99 $42.99

Door Bottom ss_pt1917813
Product Features
  • Door bottom
  • Adjustable door bottom
  • PVC insert
  • 1-3/4'' x 36''
More Options: Finish »

Door Bottom

by M-d Products

$28.99

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Vinyl Seal Deluxe Threshold in Black ss_pt1917813
Product Features
  • Type: Threshold
  • Material: Aluminum
  • Vinyl seal
  • Color: Black
  • Distressed: No

Vinyl Seal Deluxe Threshold in Black

by M-d Products

$14.99

Replacement Door Bottom ss_pt1917813
Product Features
  • Door sweep
  • 1-3/4\" steel or wood construction
  • Brown finish

Replacement Door Bottom

by M-d Products

$28.00 $32.45

0.5"  x 4" Aluminum Extra Heavy Duty Commercial Fluted Top Threshold ss_pt1917813
Product Features
  • Threshold
  • Material: Aluminum
  • Wheelchair accessible
  • Heavy duty aluminum fluted top
  • Ideal for commercial use

0.5" x 4" Aluminum Extra Heavy Duty Commercial Fluted Top Threshold

by M-d Products

$36.99 $42.55

0.25" x 2.5" Heavy Duty Flat Top Saddle Threshold in Aluminum ss_pt1917813
Product Features
  • Type: Threshold
  • Heavy duty flat top
  • Extruded smooth flat top threshold
  • Color: Aluminum
  • Distressed: No

0.25" x 2.5" Heavy Duty Flat Top Saddle Threshold in Aluminum

by M-d Products

$27.99 $28.93

  (1)
1" Reducer in Clear ss_pt1917813
Product Features
  • Type: Reducer
  • Includes screws
  • Color: Clear
  • Material: Unfinished oak
  • Distressed: No

1" Reducer in Clear

by M-d Products

$22.99

Door Bottom Drip Cap ss_pt1917813
Product Features
  • Door bottom drip cap
  • L-shaped door bottom with drip cap
  • Aluminum construction
  • Satin nickel finish
More Options: Finish »

Door Bottom Drip Cap

by M-d Products

from $22.99

Dual Durometer Door Bottom ss_pt1917813
Product Features
  • Door bottom
  • Durable vinyl
  • Works great for steel or wood doors
  • Soft vinyl fins to seal against top of threshold and sill

Dual Durometer Door Bottom

by M-d Products

$20.00 $26.30

0.75" x 1.56" Hidden Fastener MultiFloor Transition in Pewter ss_pt1917813
Product Features
  • Type: MultiFloor Transition
  • Heavy duty flat top
  • Extruded smooth flat top threshold
  • Color: Pewter
  • Distressed: No

0.75" x 1.56" Hidden Fastener MultiFloor Transition in Pewter

by M-d Products

$16.99 $19.99

GFCI Outlet Plate Sealer (Set of 8) ss_pt1917813
Product Features
  • Sealer
  • 8 Rocker switch / GFCI outlet sealers
  • UL and CSA approved
  • Closed-cell foam sealers
  • Color: White

GFCI Outlet Plate Sealer (Set of 8)

by M-d Products

$17.99 $19.75

Anodized Door Sweep with Drip Cap ss_pt1917813
Product Features
  • Door sweep
  • Fits a variety of doors with notched kerfs

Anodized Door Sweep with Drip Cap

by M-d Products

$26.00

Vinyl Seal Deluxe Threshold in Gray ss_pt1917813
Product Features
  • Type: Threshold
  • Material: Aluminum
  • Vinyl seal
  • Color: Gray
  • Distressed: No

Vinyl Seal Deluxe Threshold in Gray

by M-d Products

$14.99

Heavy Duty Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Slotted holes for easy adjustment
  • Aluminum and vinyl construction
More Options: Finish »

Heavy Duty Door Sweep

by M-d Products

from $22.99

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Anodized Door Sweep with Drip Cap ss_pt1917813
Product Features
  • Door sweep
  • UL Fire labeled
  • Vinyl insert

Anodized Door Sweep with Drip Cap

by M-d Products

$30.99 $32.99

1.38" Wide Fluted Carpet Trim in Pewter ss_pt1917813
Product Features
  • Includes screw nails
  • Type: Carpet trim
  • Transitions low to medium pile carpet to lower surface
  • Fluted

1.38" Wide Fluted Carpet Trim in Pewter

by M-d Products

$14.99

Dual Durometer Door Sweep ss_pt1917813
Product Features
  • Door sweep
  • Durable vinyl fins to seal against top of threshold and sill
  • Great for steel
  • White finish

Dual Durometer Door Sweep

by M-d Products

$25.99 $37.99

42" High Density Air Conditioner Weatherstrip ss_pt1917813
Product Features
  • Use around air conditioner
  • Closed cell PVC foam
  • Reduces drafts, vibrations and noise
  • Provides barrier to help keep out drafts and insects
More Options: Color »

42" High Density Air Conditioner Weatherstrip

by M-d Products

$16.99

Kerf Style Replacement Door Bottom ss_pt1917813
Product Features
  • Replacement door bottom
  • Provides all season protection against drafts, moisture, dust and insects
  • Inserts into slots in bottom of door to provide weather tight seal

Kerf Style Replacement Door Bottom

by M-d Products

$31.99 $33.50

16.75" x 16.38" Dry Back Vinyl Wall Base in Gray (Set of 120) ss_pt1917813
Product Features
  • Type: Wall base
  • Material: Vinyl
  • Made in the USA
  • Color: Gray
  • Gives rooms finished look

16.75" x 16.38" Dry Back Vinyl Wall Base in Gray (Set of 120)

by M-d Products

$57.60 $118.80
Free Shipping

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