Aluminum Interfold Closer Hinge

Waterson Self-Closing Aluminum hinges are ideal for concealed, interior and half doors of all kinds, as well as providing a suitable closing force for wood and lightweight metal doors under 75 kg (160 lbs).  They are very easy to install, adjust and maintain. Made from extrusion aluminum, this hinge looks great in any indoor environment and is a great cost-saving solution.

Interior door hinges - W41M,W41K
  • Non-Fire Rated
  • Soft Close Spring Hinge
  • Residential Applications
  • Good to the Eye
  • Easy Installation
  • UL Certified Mechanical Structure
  • Overcome Air Pressure Problem in Confined Space 
  • Replacement for the Traditional Door Closer

Aluminum Interfold Closer Hinge

Waterson Self-Closing Aluminum hinges are ideal for concealed, interior and half doors of all kinds, as well as providing a suitable closing force for wood and lightweight metal doors under 75 kg (160 lbs).  They are very easy to install, adjust and maintain. Made from extrusion aluminum, this hinge looks great in any indoor environment and is a great cost-saving solution.

Interior door hinges - W41M,W41K
  • Non-Fire Rated
  • Soft Close Spring Hinge
  • Residential Applications
  • Good to the Eye
  • Easy Installation
  • UL Certified Mechanical Structure
  • Overcome Air Pressure Problem in Confined Space 
  • Replacement for the Traditional Door Closer

With Waterson Hinge, Life is Even Easier!

Waterson Hinge can keep kitchen smoke away.
  • Keep kitchen odor away
  • Hygiene controlled
Waterson Hinge can give your house a cleaner look.
  • Cover up all the mess
  • Looks neat
Waterson Hinge can keep privacy for you.
  • Guard home security
  • Privacy kept
Waterson Hinge let property be hidden.
  • Property guarded
  • Expensive belongings guarded

With Waterson Hinge,
Life is Even Easier!

Waterson Hinge can keep kitchen smoke away.
  • Keep kitchen odor away
  • Hygiene controlled
Waterson Hinge can give your house a cleaner look.
  • Cover up all the mess
  • Looks neat
Waterson Hinge can keep privacy for you.
  • Guard home security
  • Privacy kept
Waterson Hinge let property be hidden.
  • Property guarded
  • Expensive belongings guarded

SPECIFICATION

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TEMPLATE

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CASE STUDY

READ

SPECIFICATION

DOWNLOAD

TEMPLATE

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CASE STUDY

READ

W41K- Compatible With Your Current Doors; Seamless Replacement For Your Hinge!

No need to consider the thickness of hinge leaves or gap sizes of door and frames.
Simply install and enjoy the self-closing convenience right away.

Interior door with door closer - before
Waterson interior hinge vs door closer - before

Before

After interior door hinge installation-W41K
After interior door hinge installation-W41K

After

W41K- Compatible With Your Current Doors;
Seamless Replacement For Your Hinge!

No need to consider the thickness of hinge leaves or gap sizes of door and frames.
Simply install and enjoy the self-closing convenience right away.

Interior door with door closer - before
Waterson interior hinge vs door closer - before

Before

After interior door hinge installation-W41K
After interior door hinge installation-W41K

After

W41K – Other Countries

Aluminum Interfold Hinge

Model Full Name
Door Thickness
W41K Self-closing-
Aluminum Interfold hinge-
Non-mortise
40~50 mm
Retrofit
 W41K Self-closing-
Aluminum Interfold hinge-
Mortise on frame
40~50 mm
Aluminum Interfold Closer Hinge-t1
lightweight metal doors-W41K-645

W41K – Other Countries
Aluminum Interfold Hinge

Waterosn Lightweight Metal Doors
Aluminum Interfold Closer Hinge-t1

Configuration

W41K – US STANDARD 

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Door Size Product SKU
Full mortise 4.5*4.5
FEATURES
Door Range ≤ 120°
Closing Type

 Mechanical Only – M
 Hydraulic Hybrid – H

Hinge Qty

Hinge Type

Finish
Self-closing Fluid Motion 90°Hold-open
1-3/4″
< 6’-0 x 4′-0
≤ 150 lbs
W41K-B2 H 2 hinges/door (HS.SA) US28-628-
Anodized ClearUS19-617-
Flat Black Coated
W41K-D2 H 2 hinges/door (HS.SB)
1-3/4″
< 7’-0 x 4′-0
≤ 200 lbs
W41K-A3 M 3 hinges/door (SA.SA.SA1)
W41K-B3 H 3 hinges/door (SA.HS.SA1)
W41K-C3 M 3 hinges/door (SB.SA.SA1)
W41K-D3 H 3 hinges/door (SA.HS.SB)


1. We provide additional door stop ( at 90°) features for all models. Email to request a quotation.
2. Learn more about Waterson hinge design (SA,SA1,SB,…)
3. Learn more about mechanical or hydraulic hybrid closing types, or watch video
4. Please contact us directly concerning doors over the above specifications.

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Configuration

W41K – US STANDARD

Aluminum-Interfold-Closer-Hinge-t2
get a quote
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SHOP ONLINE

Quick Tips For Installing Interfold Hinge – W41K

Waterson Aluminum Flush Hinge is non-handed. No need for mortise and grooving. Lightening-fast installation.
After these 3 tips, you will have wonderful self-closing hereafter:

1. Major leaf for Frame, minor leaf for door
Waterson hinges W41K Installation Tips
2. Use only Waterson screws
W41K-waterson screws
3. No mortise/grooving needed
Waterson hinges W41K Installation Tips

Quick Tips For Installing Interfold Hinge – W41K

Waterson Aluminum Flush Hinge is non-handed. No need for mortise and grooving. Lightening-fast installation.
After these 3 tips, you will have wonderful self-closing hereafter:

1. Major leaf for Frame, minor leaf for door

Waterson hinges W41K Installation Tips

2. Use only Waterson screws

W41K-waterson screws

3. No mortise/grooving needed

Waterson hinges W41K Installation Tips

Catalog

US AREA
NON US AREA

Specification

Download

Product Size

W41K-645

Catalog

US AREA
NON US AREA

Specification

Download

Product Size

W41K-645

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