Consumer notice: Currently available from these Wattstone retailers
Sources for Wattstone 15° PV mounting systems: As a consumer, you can purchase our Wattstone 15° PV mounting systems and complete PV solutions through qualified and verified WATTSTONE dealers. To ensure that you receive the best products and services, we recommend making your purchases from authorized WATTSTONE specialty dealers. These dealers are specifically trained and verified to provide you with the highest quality and best service.
Wattstone
Wattstone 15 Degree PV Mounting System made of Fine Concrete
Pickup available at Grenzstraße 182 in Voerde
Usually ready in 2-4 days
Simply set up > Screw on PV module > Connect micro-inverter > Done!
- Substructure and weighting in one
- No drilling of the roof structure necessary
- No complicated assembly with tools!
- Concrete base made of fine-pored exposed concrete
- Integrated M8 threads for mounting modules and cables
This item contains:
- 1 Concrete base WATTSTONE 15° (WITHOUT Accessories such as clamps or mats)
NEW: From now on, there are volume discounts:
From 48 pieces 5% discount, from 96 pieces 10% discount
Discover our impressive 30 15 kg heavy WATTSTONE 15° L-stones. These high-quality L-stones are perfect for the individual installation of almost all common PV modules for an inclination angle of 15 degrees and offer a variety of advantages.
Wind Tunnel Certificate
PDF Download Wind Tunnel Certificate
Tested according to DIN-EN 1991-1-4: 2021
Friction Coefficient Test
WATTSTONE 15° securely adheres to smooth bitumen, bitumen with slate, PVC, EPDM, and smooth concrete. This is true under both dry and wet conditions. Download Peutz test report.
Dimensions and Weight WATTSTONE 15°
Dimensions of a WATTSTONE 15° concrete L-stone (LxWxH): 1060 x 115 x 354 mm
1 WATTSTONE weighs 30 kg
Material and Color
High-strength concrete of grade C55/67, self-compacting and smooth. Anthracite colored throughout or concrete gray.
Alignment and fastening
- Inclination angle of PV module: 15 degrees
- Inclination angle of substrate: max. 5 degrees
- Installation of PV modules: Horizontal
- Support for concrete base: Building protection mats at least t=6mm made of PUR-bonded
rubber granulate for bitumen or concrete surfaces. For EPDM and
membrane roofs, aluminum-coated building protection mats. - Distance between module rows: 60 cm
- Recommended orientation: East-West
- Mounting of PV modules: Horizontal with end or middle clamps, stainless steel screws with spring washer recommended
Threaded sleeves
M8 threaded sleeves, 2 pieces for mounting PV modules and 1 piece for optional installation of cable ducts or windshields on the back.
Product data sheet
Shipping by freight forwarder
We ship our WATTSTONE 15° stands exclusively via freight due to their dimensions and weight. Delivery within 4 weeks. Here are the shipping costs within Germany calculated for the listed quantities:
- 1 piece for ......... 37.40 €
- 2-3 pieces for .... 54.45 €
- 4-5 pieces for .... 69.30 €
- 6 pieces for ......... 91.30 €
- 7-8 pieces for .... 101.20 €
- 9-10 pieces for ... 117.37 €
New Wattstone 15 Degree Mounting Package: Installation and Features Explained
In this video, Boris introduces the brand new Wattstone 15° mounting package. This system offers improved weight distribution and easy installation in both east-west and south orientations. Boris walks through the steps of the installation, including the use of construction protection mats and module clamps to securely install the Wattstones. He also explains the benefits of the new east-west connection system and the increased wind resistance up to wind load zone IV.
New product: Wind deflector for Wattstone 15° PV mounting
We are pleased to introduce our latest product: the wind deflector for the Wattstone 15° PV mounting system. This wind deflector is an important addition to your photovoltaic system, specifically designed to enhance the safety of your PV system in strong winds.
What is the purpose of the wind deflector?
The wind deflector serves to direct the wind around the PV modules. This reduces the wind load on the modules and the entire structure, which is particularly advantageous during strong gusts and hurricanes. This measure significantly reduces the risk of damage from high wind speeds and increases the stability of your system.
Benefits of the Wind Deflector
- Improved Safety: Protection against wind damage through effective wind diversion.
- Increased Stability: Reduction of the wind load on the PV modules and the substructure.
- Durability: Longer preservation of the structural integrity of your PV system even under extreme weather conditions.
WATTSTONE 15°
Concrete base made of fine exposed concrete for easy and quick installation of PV modules without drilling into the roof structure.
Concrete base
- High-strength concrete of grade C55/67, self-compacting and smooth
- 30 kg net per concrete base
- Anthracite colored throughout or concrete gray
- 2 x reinforcement steel D=8mm
- M8 threaded sleeves, 2 pcs. for mounting PV modules and 1 pc. for optional
mounting of cable ducts or windshields on the back
Easy assembly
- 15 degree tilt angle PV module
- max. 5 degree tilt angle substrate
- horizontal installation of the PV modules
- place construction protection mats underneath
- 60 cm distance between the module rows
- recommended orientation east or west
- horizontal fastening with end or middle clamps, stainless steel screws with spring washer recommended
WATTSTONE
PV module mounting and ballast in one! Tested in a wind tunnel!
With our L-stones, you not only enjoy uncomplicated assembly but also maximum flexibility. Use the optimal tilt angle of 10 degrees to fully exploit the potential of your solar system and ensure optimal energy generation.
Invest in high-quality L-stones for your solar system and benefit from an efficient and hassle-free installation. Don't miss the opportunity to take your solar energy generation to the next level while maintaining the aesthetics of your roof structure. Choose our L-stones and make your solar installation an impressive highlight.
WATTSTONE - Tested to the core!
Stability, reliability, and durability – that is WATTSTONE
Wind tunnel test
WATTSTONE: Cp values, suction loads, and contact pressure tested according to DIN-EN 1991-1-4: 2021
Download wind tunnel certificate
Friction Coefficient Test
WATTSTONE: Sits securely on smooth bitumen, bitumen with slate, PVC, EPDM, and smooth concrete.
Download Peutz test report
Set up in just 5 minutes
Traditional PV ground mount systems usually require anchoring, gluing, or ballasting on the roof. Often, concrete slabs are used as ballast. With the robust concrete bases from WATTSTONE as the foundation for the ground structure, these steps are completely eliminated.
ConcretePV - stable bases made of fine concrete for your PV modules
Discover the ease of installation by avoiding the drilling of the roof structure and instead using our high-quality L-stones with integrated M8 threads. No more worries about unsightly and complicated installations - with our L-stones, securing solar panels and cables becomes a breeze.
With love for detail
WATTSTONE places great importance on quality in materials and workmanship. See for yourself.
Stable & practical. Concrete PV mounts for solar modules.
- No drilling of the sensitive roof membrane required
- Save additional weight with cut concrete slabs or paving stones
- Substructure and ballast in one element without assembly
- Simple and quick installation of the PV modules
- Elegant exposed concrete in anthracite instead of rickety metal construction
- Integrated M8 threads for mounting PV modules and optionally cable ducts or wind deflectors
Customer Reviews
This is what customers say about the Flat Roof PV Complete Package