SKU: 786775
Norsound NOR820 Acoustic Drop Seal - 860mm Length
4.7
(7)
56 in stock
Quick and easy to install
£45.47
Buy in bulk & save up to 5%
- Surface mounted acoustic seal for door perimeter
- High performance - up to 48dB sound reduction
- Self adhesive backing - easy installation, sticks to surface
- Proven durability - 1,000,000 cycles tested
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
48
Depth (mm)
10
Finish
White
Fixing
Adhesive
Pack Quantity
5
Size (mm)
2100 x 11 x 10
Type
Perimeter Seals
Width (mm)
11
Length (mm)
2100
Material
Polyvinyl Chloride
- Surface mounted acoustic seal for door perimeter
- High performance - up to 48dB sound reduction
- Self adhesive backing - easy installation, sticks to surface
- Proven durability - 1,000,000 cycles tested
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
48
Depth (mm)
10
Finish
White
Fixing
Adhesive
Pack Quantity
5
Size (mm)
2100 x 11 x 10
Type
Perimeter Seals
Width (mm)
11
Length (mm)
2100
Material
Polyvinyl Chloride
- Quick and easy to install
- No routing required - retro fit to the front of the door
- Full cover plate hides screw fixings
- Outstanding acoustic performance and smoke sealing properties
- Self-levelling mechanism eliminates the gap between the door and its threshold
- Innovative actuator design ensures opening and closing forces are kept to a minimum
- Durable PVC seal
- Can be cut to required length by up to 125mm
- Height 44mm
- Satin Anodised Aluminium finish
Specification & Documentation
Depth (mm)
13.5
Finish
Satin Anodised Aluminium
Fixing
Screw
Size (mm)
860 x 44 x 13.5
Type
Drop Down Seals
Width (mm)
44
Length (mm)
860
Material
Aluminium
Pack Quantity
1
- Quick and easy to install
- No routing required - retro fit to the front of the door
- Full cover plate hides screw fixings
- Outstanding acoustic performance and smoke sealing properties
- Self-levelling mechanism eliminates the gap between the door and its threshold
- Innovative actuator design ensures opening and closing forces are kept to a minimum
- Durable PVC seal
- Can be cut to required length by up to 125mm
- Height 44mm
- Satin Anodised Aluminium finish
Specification & Documentation
Depth (mm)
13.5
Finish
Satin Anodised Aluminium
Fixing
Screw
Size (mm)
860 x 44 x 13.5
Type
Drop Down Seals
Width (mm)
44
Length (mm)
860
Material
Aluminium
Pack Quantity
1
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- Provides an even surface to seal against
- Satin anodised aluminium
Specification & Documentation
Decibel Rating
29
Depth (mm)
60
DocE
Yes
Finish
Satin Anodised Aluminium
Fixing
Screw/Adhesive
Size (mm)
1000 x 60 x 4.9
Type
Threshold Seals
Width (mm)
4.9
Length (mm)
1000
Material
Aluminium
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- Provides an even surface to seal against
- Satin anodised aluminium
Specification & Documentation
Decibel Rating
29
Depth (mm)
60
DocE
Yes
Finish
Satin Anodised Aluminium
Fixing
Screw/Adhesive
Size (mm)
1000 x 60 x 4.9
Type
Threshold Seals
Width (mm)
4.9
Length (mm)
1000
Material
Aluminium
- Surface mounted aluminium/ silicone acoustic seal
- High performance - up to 43dB sound reduction
- Hidden fixings under cap (supplied)
- High quality anodised finish
- Adjustable screw location for exact fit
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
43
Depth (mm)
26.5
Finish
Grey
Fixing
Hidden
Size (mm)
2100 x 5 x 26.5
Type
Perimeter Seals
Width (mm)
5
Length (mm)
2100
Material
Aluminium
Pack Quantity
1
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
- Surface mounted aluminium/ silicone acoustic seal
- High performance - up to 43dB sound reduction
- Hidden fixings under cap (supplied)
- High quality anodised finish
- Adjustable screw location for exact fit
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
43
Depth (mm)
26.5
Finish
Grey
Fixing
Hidden
Size (mm)
2100 x 5 x 26.5
Type
Perimeter Seals
Width (mm)
5
Length (mm)
2100
Material
Aluminium
Pack Quantity
1
- Surface mounted aluminium/ silicone acoustic seal
- High performance - up to 43dB sound reduction
- Hidden fixings under cap (supplied)
- High quality anodised finish
- Adjustable screw location for exact fit
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
43
Depth (mm)
26.5
Finish
Grey
Fixing
Hidden
Size (mm)
1000 x 5 x 26.5
Type
Perimeter Seals
Width (mm)
5
Length (mm)
1000
Material
Aluminium


- Surface mounted aluminium/ silicone acoustic seal
- High performance - up to 43dB sound reduction
- Hidden fixings under cap (supplied)
- High quality anodised finish
- Adjustable screw location for exact fit
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
43
Depth (mm)
26.5
Finish
Grey
Fixing
Hidden
Size (mm)
1000 x 5 x 26.5
Type
Perimeter Seals
Width (mm)
5
Length (mm)
1000
Material
Aluminium
- Surface mounted acoustic seal for door perimeter
- High performance - up to 48dB sound reduction
- Self adhesive backing - easy installation, sticks to surface
- Proven durability - 1,000,000 cycles tested
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
48
Depth (mm)
10
Finish
Black
Fixing
Adhesive
Pack Quantity
5
Size (mm)
2100 x 11 x 10
Type
Perimeter Seals
Width (mm)
11
Length (mm)
2100
Material
Polyvinyl Chloride

- Surface mounted acoustic seal for door perimeter
- High performance - up to 48dB sound reduction
- Self adhesive backing - easy installation, sticks to surface
- Proven durability - 1,000,000 cycles tested
- Multi purpose - Protects against smoke and draught
Specification & Documentation
Decibel Rating
48
Depth (mm)
10
Finish
Black
Fixing
Adhesive
Pack Quantity
5
Size (mm)
2100 x 11 x 10
Type
Perimeter Seals
Width (mm)
11
Length (mm)
2100
Material
Polyvinyl Chloride
This product is rated 4.7 out of 5 by other customers
Does exactly what it says on the tin
A pleasure dealing with this company - both professional and helpful.
Totally fit for purpose
I wasn’t sure how good they would be but they work perfectly
Great bit of kit
Great service and installed on an apartment door,does exactly what is says on the box.A+
About this product
- Quick and easy to install
- No routing required - retro fit to the front of the door
- Full cover plate hides screw fixings
- Outstanding acoustic performance and smoke sealing properties
- Self-levelling mechanism eliminates the gap between the door and its threshold
- Innovative actuator design ensures opening and closing forces are kept to a minimum
- Durable PVC seal
- Can be cut to required length by up to 125mm
- Height 44mm
- Satin Anodised Aluminium finish
About this product
- Quick and easy to install
- No routing required - retro fit to the front of the door
- Full cover plate hides screw fixings
- Outstanding acoustic performance and smoke sealing properties
- Self-levelling mechanism eliminates the gap between the door and its threshold
- Innovative actuator design ensures opening and closing forces are kept to a minimum
- Durable PVC seal
- Can be cut to required length by up to 125mm
- Height 44mm
- Satin Anodised Aluminium finish
Specification & Documentation
Depth (mm)
13.5
Finish
Satin Anodised Aluminium
Fixing
Screw
Size (mm)
860 x 44 x 13.5
Type
Drop Down Seals
Width (mm)
44
Length (mm)
860
Material
Aluminium
Pack Quantity
1
Reviews
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These reviews are verified by an independent third party for authenticity.
Peter Gahan - 4 years ago
Great piece of equipment
Bit fiddly to fit but a great product. Could do with including fitting instructions.
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Verified customer
Anonymous - 4 years ago
Does exactly what it says on the tin
A pleasure dealing with this company - both professional and helpful.
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Verified customer
Anonymous - 5 years ago
Totally fit for purpose
I wasn’t sure how good they would be but they work perfectly
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Verified customer
B Brisland - 7 years ago
A little trciky but does the job well!
We installed the first of 11 yesterday, and although a little tricky we got there in the end and it works well. It looks quite smart too which we were worried about. All in all, along with the norsound threshold, it looks to work well for it's acoustic & smoke properties.
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Verified customer
RMPFS - 7 years ago
Great bit of kit
Great service and installed on an apartment door,does exactly what is says on the box.A+
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Verified customer
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Questions
deningdentists - 3 years ago
Layla
Good Morning, I hope you are well Please see below from our website: https://ironmongerydirect-assets.s3.amazonaws.com/product-documentation/fittings/786775.pdf https://ironmongerydirect-assets.s3.amazonaws.com/product-documentation/technical/786775.pdf https://ironmongerydirect-assets.s3.amazonaws.com/product-documentation/dop/786775.pdf I hope this helps Have a lovely day
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