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£ 88,99 incl. vat

£ 74,16 excl. vat

Volume discount starts with the purchase of 50 pieces and increases depending on the number of foundations ordered. Enter a quantity to see your discount.

GroundPlug® TwisterTM M20/1500mm Screw Pile

The GroundPlug® TwisterTM M20 foundation is our largest TwisterTM foundation for installation with a hand-held impact wrench, suitable for allotment houses and summer houses. We recommend this series for all soil types and sloping terrain. GroundPlug® TwisterTM Screw foundation M20/1500mm is our most used screw foundation for summer cabins, larger carports, garden houses, cottages, etc.

Distance from ground surface to mounting point (the top of the top nut on the foundation) up to 40cm for wooden houses and 55cm for terraces.

Choose this foundation for flat and sloping terrain, for projects such as allotment houses, summer cabins and cottages.

5% in volume discount when buying 50 pieces.

£ 88,99 incl. vat

£ 74,16 excl. vat

Volume discount starts with the purchase of 50 pieces and increases depending on the number of foundations ordered. Enter a quantity to see your discount.
SKU TW-M20-1500 Categories , Tags , , , , , Status In stock
SKU TW-M20-1500 Categories , Tags , , , , , Status In stock
Weight: 5.65 kg
Dimensions: 150 cm X 6.17 cm X 6.17 cm
Materials: Galvanized steel
Vertical Load Capacities at max terrain distance:
– Soft Clay/Loose sand: Compression: 6.08 kN Tension: 6.08 kN
– Medium clay/Medium sand: Compression: 8.93 kN Tension: 8.8 kN
– Stiff clay/Dense sand: Compression: 14.93 kN Tension: 14.57 kN
Vertical Load capacities when fully installed in ground:
– Soft clay/Loose sand: Tension: 9.85 kN Tension: 9.85 kN
– Medium clay/Medium sand:  Tension: 14.46 kN Tension: 14.21 kN
– Stiff clay/Dense sand: Tension: 24.17 kN Tension: 23.59 kN
Top for impact wrench: 30 mm
Minimum torque: 1800 Nm
Max terrain distance:
– Decks: Maks. 55 cm
– Buildings: Maks. 50 cm
Max terrain distance when applying post bracket or stabiliser:
– Decks: 20 cm cm
– Buildings: 20 cm cm
Technical drawing: PDF
Weight: 5.65 kg
Dimensions: 150 cm X 6.17 cm X 6.17 cm
Materials: Galvanized steel
Vertical Load Capacities at max terrain distance:
– Soft Clay/Loose sand:
Compression: 6.08 kN Tension: 6.08
– Medium clay/Medium sand:
Compression: 8.93 kN Tension: 8.8 kN
– Stiff clay/Dense sand:
Compression: 14.93 kN Tension: 14.57 kN
Vertical Load capacities when fully installed in ground:
– Soft Clay/Loose sand:
Compression: 9.85 kN Tension: 9.85
– Medium clay/Medium sand:
Compression: 14.46 kN Tension: 14.21 kN
– Stiff clay/Dense sand:
Compression: 24.17 kN Tension: 23.59 kN
Top for impact wrench: 30 mm
Minimums Torque 1800 Nm
Maksimal terrænafstand:
– Decks: Maks. 55 cm
– Building: Maks. 50 cm
Techincal Drawing: PDF

To find out, how many and which type of GroundPlug® Screw Pile, you need for your project, you have 3 options:

Use our free engineering service by filling out our project form.

Calculate you own project by using our capacity tables

Please note that the tables can only be applied to smaller simpler projects such as decks, sheds and outbuildings with standard shapes. If you are building a larger or more complex project, with a more complex shape or on sloping terrain  we encourage you to take advantage of our free engineering service.

You can also design and calculate your own deck project using our super cool 3D Deck Designer.

GroundPlug® Twister™ Screw piles are designed for quick and easy installation , regardless of what size you are installing. On our installation page you will find step-by-step installation manuals, incl. a list af the tools you will need to install the GroundPlug® Twister™ Screw Piles. It doesn’t get much simpler than that.

Installation manual:

GroundPlug® TwisterTM M20/1500mm Screw Pile

Large Construction & Infrastructure

Did you know that GroundPlug has the market’s largest range of steel foundations?

Have a look at our series for multi-storey construction, infrastructure and industrial construction.

GET A FREE PROJECT QUOTE WITH NO BINDING

Are you planning a construction project? Are you thinking of choosing a screw pile footing for your project? Foundation installation has never been so easy. Just fill in the form and we will pre-calculate your foundations needs and send you a quote within 24-48 hours. Offer accepted? We’ll draw up your plan sketch and ship out your screw piles directly to the building site, your home or your office