Best 1k Bauschaum 2026

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Last Updated - 27.03.2026

Best Choice

01

AWOTEX

AWOTEX 12 x Mounting Foam B2 750 ml 1-K I Construction Foam Insulation Foam without CFC and HCFCs I Adhesive Foam for Insulation Panels I Mounting Foam Exterior I Mounting Foam Door Frame I Can Be

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Professional products – we at Awotex are specialists in custom-made slings and consumables on construction sites. Within 24 hours we will ship every order to your desired address.
Practical: the one-component sealing foam is moisture-curing, ageing-resistant, resistant to acids and alkalis and can be used at low material and ambient temperatures.
Polyurethane foam – the Awotex mounting foam construction foam is a ready-to-use PU foam for filling, sealing and insulating cavities. It sticks to concrete, plaster, masonry, wood and many plastics.
Environmentally conscious and certified – the PU foam waterproof is certified according to building material class according to DIN 4102, part 1, B2. It is CFC and HCFC free, so that the environment is not unnecessarily polluted.
Areas of application: the polyurethane foam insulation and much more. finds its main applications in the following areas: installation of door frames, heat-insulating insulation, insulation of water-conducting pipes, etc.

85,00 €
02

Isolbau

Isolbau - Construction Foam Mounting Foam 12 x 750 ml PU Foam 1K Gun Foam Frame Foam Insulation Sealing for Indoor and Outdoor Use

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile: the polyurethane foam can be used flexibly as sealing foam, insulation foam, insulating foam, filling foam, gun foam as well as door foam, window foam or frame foam. The foam adheres very well to all surfaces. Ideal for professional sealing and mounting of doors, windows, parapets, stairs, dividers and many other construction work.
Important features: very high yield: up to 45 litres; very high thermal insulation and joint sound insulation; can be cut quickly; resistant to ageing and rotting; free from freon (harmless to the ozone layer); high filling capacity; temperature resistance (after curing): from -50°C to +90°C, foam yield: 45 litre (each according to air temperature and humidity). Skin formation time: 4-7 min. (20°C / RH 90%), curing time: 24 hours, can temperature +20°C.
Ecological: according to § 15 para. 2 p. 2 of the German Packaging Act, we are obliged to take back used filling goods containing harmful substances (in particular construction and assembly foam), which have been placed on the market by us, free of charge. Interzero Circular Solutions Germany GmbH, picks up the packaging on our behalf and picks it up from you free of charge. Telephone: +49 2203 9147-1366; Email: emballagen@interzero.de; Interzero customer number: 230513 Pick-up card: isolbau.de/abholkarte/abholkarte.pdf
CERTIFIED PRODUCT: The mounting foam is a certified product. The highest quality of the building material of class B2 according to the DIN 4102 standard is confirmed by the certificate of the MPA Hannover Test P-NDS04-1424. The gun foam was made in Germany.
Box contents: 12 x 750 ml PU foam; Storage and durability: Store product in sealed packaging in a vertical position (to prevent the valve from clogging), in a well-ventilated room and at a temperature of +5°C to +35°C (preferably room temperature) away from direct sunlight and other sources of heat and ignition.

78,65 €
03

fischer

fischer Gun Foam PUP S 750, Expanding Foam for Backfilling, Insulation and Damping, Airtight and Waterproof Construction Foam for Foam Guns, 750 ml

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal: The airtight, water-pressure-resistant gun foam with tested joint sound insulation and thermal insulation is suitable for window and door insulation or for sealing well shafts
Manufacturing: The low amount of foam expansion during curing avoids the need for reworks and so ensures quick and easy processing
Contents: 1 x fischer gun foam PUP S 750 B2 (750 ml), without protective gloves, only suitable for commercial use! Target group:
Building materials: Adheres to all standard building materials, e.g. Concrete, anodised layer, plasterboard, wood, sand-lime brick, PVC materials (including resins with high degree of polymerisation – HPVC), masonry, metals, plaster
Applications: Insulate and fill window connection joints, window sills and roller shutter boxes, wall openings, cavities, wall connections and finished elements and much more

6,95 €
04

fischer

fischer Gun Foam PUP S 750, Expanding Foam for Backfilling, Insulation and Damping, Airtight and Waterproof Construction Foam for Foam Guns, 750 ml

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal: The airtight, water-pressure-resistant gun foam with tested joint sound insulation and thermal insulation is suitable for window and door insulation or for sealing well shafts
Manufacturing: The low amount of foam expansion during curing avoids the need for reworks and so ensures quick and easy processing
Contents: 1 x fischer gun foam PUP S 750 B2 (750 ml), without protective gloves, only suitable for commercial use! Target group:
Building materials: Adheres to all standard building materials, e.g. Concrete, anodised layer, plasterboard, wood, sand-lime brick, PVC materials (including resins with high degree of polymerisation – HPVC), masonry, metals, plaster
Applications: Insulate and fill window connection joints, window sills and roller shutter boxes, wall openings, cavities, wall connections and finished elements and much more

6,95 €
Value for Money

05

fischer

fischer Rapid Installation Foam PU S 750, Construction Foam for Backfilling, Insulation and Damping, Polyurethane (PU) Foam, incl. Instant Use Adaptor 750 ml

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31% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready for use: The quickly-mounted adapter allows for immediate use. No additional processing devices are required
Contents: 1 x fischer foam PU S 750 B2 (750 ml) with an adapter, without protective gloves, only suitable for commercial use
Building materials: Adheres to all standard building materials, e.g. Concrete, anodised layer, plasterboard, wood, sand-lime brick, PVC materials (including resins with high degree of polymerisation – HPVC), masonry, metals, plaster
Applications: For insulating and filling window connection joints around window sills as well as roller shutter boxes, finished elements, wall connections, wall openings and cavities and much more
All-rounder: The rapid installation foam with proven high level of sound insulation and water pressure resistance is suitable e.g. for window joints or for bonding concrete shaft rings

8,74 € 12,59 €(31% Off off)
06

Wuerth

5 Würth Purlogic Top 1K Gun Foam Concrete Grey Construction Foam Mounting Foam 0892142

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Up to 40 litres of foam yield
Suitable for winter
Resistant to ageing
Fine-cell and even foam structure
1K gun foam for a variety of applications

34,55 €
07

Wuerth

5 Würth Purlogic Top 1K Gun Foam Concrete Grey Construction Foam Mounting Foam 0892142

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Up to 40 litres of foam yield
Suitable for winter
Resistant to ageing
Fine-cell and even foam structure
1K gun foam for a variety of applications

34,55 €
08

Isolbau

Isolbau Building Foam Set - Includes 3 x 1K Mounting Foam B2 Gun Foam with Excellent Sound and Thermal Insulation (750 ml each), 1 x PU Foam Cleaner (500 ml) & 1 x Foam Gun, Insulating

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Temperature resistance (after curing): from -50°C to +90°C, foam yield: 45 litres (depending on air temperature and humidity). Skin formation time: 4-7 min. (20 °C / RH 90%), curing time: 24 hours, can temperature +20 °C
Recommended processing temperature (surface temperature): from +5 °C to + 30 °C
Package includes: 3 cans of 750ml gun foam, a 500ml can of PU foam cleaner. Tested quality building material class B2 according to DIN 4102 - test certificate MPA Hannover P-NDS04-1425
Note in accordance with § 15 para. 2 p. 2 of the German Packaging Act, we are obliged to take back used filling goods containing harmful substances (in particular construction and assembly foam), which have been placed on the market by us, free of charge. Interzero Circular Solutions Germany GmbH, picks up the packaging on our behalf and picks it up from you free of charge. Telephone: +49 2203 9147-1366; Email: emballagen@interzero.de; Interzero customer number: 230513 Pick-up card: isolbau.de/abholkarte/abholkarte.pdf
Indoor and outdoor: the polyurethane foam of the mounting foam set is suitable for indoor and outdoor use, ideal for windows, doors, etc.

37,70 €
09

AWOTEX

AWOTEX 12 x Mounting Foam B2 500 ml 1-K I Construction Foam Insulation Foam without CFC and HCFCs I Adhesive Foam for Insulation Panels I Mounting Foam Exterior I Mounting Foam Door Frame I Can Be Painted and Plastered

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Professional products – we at Awotex are specialists in custom-made slings and consumables on construction sites. With 21 years of experience, we are your reliable partner for the field of construction and accessories.
Practical: the one-component sealing foam is moisture-curing, ageing-resistant, resistant to acids and alkalis and can be used at low material and ambient temperatures.
Polyurethane foam – the Awotex mounting foam construction foam is a ready-to-use PU foam for filling, sealing and insulating cavities. It sticks to concrete, plaster, masonry, wood and many plastics.
Environmentally conscious and certified – the PU foam waterproof is certified according to building material class according to DIN 4102, part 1, B2. It is CFC and HCFC free, so that the environment is not unnecessarily polluted.
Areas of application: the polyurethane foam insulation and much more. finds its main applications in the following areas: installation of door frames, heat-insulating insulation, insulation of water-conducting pipes, etc.

65,00 €
10

Isolbau

Isolbau - Construction Foam Mounting Foam 12 x 750 ml PU Foam 1K Gun Foam Frame Foam Insulation Sealing for Indoor and Outdoor Use

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Versatile: the polyurethane foam can be used flexibly as sealing foam, insulation foam, insulating foam, filling foam, gun foam as well as door foam, window foam or frame foam. The foam adheres very well to all surfaces. Ideal for professional sealing and mounting of doors, windows, parapets, stairs, dividers and many other construction work.
Important features: very high yield: up to 45 litres; very high thermal insulation and joint sound insulation; can be cut quickly; resistant to ageing and rotting; free from freon (harmless to the ozone layer); high filling capacity; temperature resistance (after curing): from -50°C to +90°C, foam yield: 45 litre (each according to air temperature and humidity). Skin formation time: 4-7 min. (20°C / RH 90%), curing time: 24 hours, can temperature +20°C.
Ecological: according to § 15 para. 2 p. 2 of the German Packaging Act, we are obliged to take back used filling goods containing harmful substances (in particular construction and assembly foam), which have been placed on the market by us, free of charge. Interzero Circular Solutions Germany GmbH, picks up the packaging on our behalf and picks it up from you free of charge. Telephone: +49 2203 9147-1366; Email: emballagen@interzero.de; Interzero customer number: 230513 Pick-up card: isolbau.de/abholkarte/abholkarte.pdf
CERTIFIED PRODUCT: The mounting foam is a certified product. The highest quality of the building material of class B2 according to the DIN 4102 standard is confirmed by the certificate of the MPA Hannover Test P-NDS04-1424. The gun foam was made in Germany.
Box contents: 12 x 750 ml PU foam; Storage and durability: Store product in sealed packaging in a vertical position (to prevent the valve from clogging), in a well-ventilated room and at a temperature of +5°C to +35°C (preferably room temperature) away from direct sunlight and other sources of heat and ignition.

78,65 €