Adjustable joist pedestal allows easy installation and levelling, with a height adjustment of 35-70 mm. Ideal for terraces and balconies.
Description
Adjustable Joist Pedestal ETL 140-220 mm
Key features:
fast, simple, and cost-effective installation of the supporting structure
easy leveling of floors
smooth height adjustment
possibility of routing installations under the terrace
Use:
under joists, ventilated terraces, balconies, gazebos, pathways, platforms
Technical details:
min. height - 140 mm
max. height - 220 mm
foot diameter - 160mm
upper plate diameter - 100mm
leaf height - 25mm
The quality of our pedestals has been confirmed by tests conducted by the Polish Institute of Building Technology and the European Certificate.
For sloping ground, the use of dedicated levelling discs made of reinforced polypropylene is required.The pedestals are mounted to the substrate using 6 x 40 or 6 x 60 mm quick release dowels (depending on the thickness of the substrate). The joists are screwed to the pedestal using 3.5 x 25 mm fine threaded stainless steel metal screws.
You might need levelling discs.
Dedicated levelling discs made of reinforced polypropylene are available for the terrace brackets. For use both under joist supports and under stoneware tile supports.The disc levels the substrate by 1%, 2% or 3%.
You might need pads under joists.
The rubber under-beam pad is made of SBR granulate and polyurethane binder. The product is used in the construction industry as a vibration damping element, soundproofing floors, terraces and landings.
Available sizes:
Adjustable joist pedestal ETL 140-220mm
Adjustable joist pedestal ETL 18-32 mm
Adjustable joist pedestal ETL 35-70 mm
Adjustable joist pedestal ETL 66-145 mm
Adjustable joist pedestal ETL 10-15 mm
The quality of our products has been confirmed by tests of the Polish Building Research Institute and the European Certificate.
Parameters
Intended Use
For joists
Adjustment Range
140-220 mm
Material
Plastic
Assembly and documents
Wsporniki montuje się do podłoża za pomocą kołków 6 × 40mm lub 6 × 60mm (wzależności od grubości podłoża).
Odstępy między legarami powinny wynosić maksymalnie 35 cm, licząc od ich środka. Legary muszą być podparte w co najmniej 3 miejscach. Odległość między wspornikami powinna wynosić nie więcej niż 40 cm.
W przypadku innych desek warto sprawdzić zalecenia ich producenta, szczególnie jeśli różnią się wymiarami.
Legary do wspornika przykręcamy za pomocą wkrętów nierdzewnych do metalu o drobnym gwincie o wymiarach 3,5 x 25 mm.
On December 5th, a special event took place at the newly opened Liderwood warehouse. The company’s management donated funds for the purchase of a water pump for the firefighters in Mrzezino. This is our way of supporting the local community and emergency services. We are proud to be able to help and grow together with you.
Since December 1, 2025, our new warehouse in Rumia at Kazimierska 52 has been operational – open Mon–Fri, 8:00–16:00, with a full range of composite decking boards and accessories available immediately.
Thanks to the larger space, we can ensure faster order fulfillment, smoother in-person and courier pickups, and improved logistics for both individual and business customers.
We invite you to visit – this is another step in Liderwood’s development, enabling us to better meet your needs!
From November 21 to December 1, Black Week is on at Liderwood! During this time, you’ll find many products in our offer at prices reduced by up to 50%.
It’s the perfect opportunity to bring your plans to life—whether it’s a terrace, fencing, façade, or a home refresh—at significantly better prices. Which products can you buy during Black Week at Liderwood?
We are constantly expanding our range to deliver products that combine modern design, durability, and ease of use. This time, we have prepared three exceptional new additions that work perfectly for façades, gardens, and terraces.
For us, new products are more than just another item in the catalog—they are a thoughtfully designed extension of our offer, created so everyone can find a solution that perfectly matches their style and design ideas. Discover what we’ve prepared for you!
