The GroundPlug® TwisterTM M20 foundation is our largest TwisterTM foundation for installation with a hand-held impact wrench, suitable for allotment houses and cabins. We recommend this series for all soil types and sloping terrain. GroundPlug® TwisterTM Screw foundation M20/1200mm is our most used screw foundation for summer cabins, larger carports, allotment houses, prefabricated homes, etc.
Distance from ground surface to mounting point (the top of the top nut on the foundation) up to 30cm for wooden houses and 50 for decks.
Choose this foundation for flat and sloping terrain, for heavier projects such as an allotment houses, cabins or annexes.
Volume discount begins with the purchase of 50 pieces. and increases according to how many foundations you buy. Enter quantity to see your discount.
£ 82,99 incl. vat
Weight: | 4.38 kg | |
---|---|---|
Dimensions: | 120 cm X 6.17 cm X 6.17 cm | |
Materials: | Galvanized steel | |
Vertical Load Capacities at max terrain distance: | ||
– Soft Clay/Loose sand: | Compression: 4.06 kN | Tension: 4.06 kN |
– Medium clay/Medium sand: | Compression: 5.96 kN | Tension: 5.85 kN |
– Stiff clay/Dense sand: | Compression: 9.96 kN | Tension: 9.72 kN |
Vertical Load capacities when fully installed in ground: | ||
– Soft clay/Loose sand: | Compression: 7.67 kN | Tension: 6.57 kN |
– Medium clay/Medium sand: | Compression: 11.1 kN | Tension: 9.47 kN |
– Stiff clay/Dense sand: | Compression: 18.46 kN | Tension: 15.72 kN |
Top for impact wrench: | 30 mm | |
Minimum torque: | 1500 Nm | |
Max terrain distance: | ||
– Decks: | maks. 45 cm | |
– Buildings: | maks. 30 cm | |
Max terrain distance when applying post bracket or stabiliser: | ||
– Decks: | 20 cm cm | |
– Buildings: | 20 cm cm | |
Technical drawing: |
Weight: | 4.38 kg |
---|---|
Dimensions: | 120 cm X 6.17 cm X 6.17 cm |
Materials: | Galvanized steel |
Vertical Load Capacities at max terrain distance: | |
– Soft Clay/Loose sand: | |
Compression: 4.06 kN | Tension: 4.06 |
– Medium clay/Medium sand: | |
Compression: 5.96 kN | Tension: 5.85 kN |
– Stiff clay/Dense sand: | |
Compression: 9.96 kN | Tension: 9.72 kN |
Vertical Load capacities when fully installed in ground: | |
– Soft Clay/Loose sand: | |
Compression: 7.67 kN | Tension: 6.57 |
– Medium clay/Medium sand: | |
Compression: 11.1 kN | Tension: 9.47 kN |
– Stiff clay/Dense sand: | |
Compression: 18.46 kN | Tension: 15.72 kN |
Top for impact wrench: | 30 mm |
Minimum Torque | 1500 Nm |
Max terrain distance: | |
– Decks: | maks. 45 cm |
– Building: | maks. 30 cm |
Technical Drawing: |
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:
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Bristol BS, United Kingdom
Phone: 07386-737044
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See our range of steel foundations for LARGE construction projects
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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.
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.