RONAMFLEX Expansion Joints
The RONAMFLEX expansion joint is designed to ensure high and long-lasting performance in infrastructures subjected to significant mechanical stresses.
It is conposed of a reinforced rubber element with fully embedded steel reinforcements to protect them from corrosion, ensuring strength and reliability even under extreme conditions.
The rubber used is highly resistant to abrasion, oils, gasoline, de-icing salt, and UV rays, and is specificaly formulated to withstand wear caused by tires and snow chains.
The technical characteristics comply with European standards, while the steel reinforcements S275JR (cold-rolled according to UNI 7070) ensure strong rubber-to-steel adhesion (>10 N/mm).
The anchoring system includes galvanized steel threaded rods with anti-loosening devices, secured with epoxy resin for perfect integration into the structure.
RONAMFLEX F.50
RONAMFLEX F.100
RONAMFLEX F.200
RONAMFLEX F.320
RONAMFLEX Joint for 90° Curb
The 90° curb expansion joint is manufactured in compliance with European standards and specifically designed to cover the sidewalk gap.
It is composed of high-strength grooved rubber and S275JR steel sheet, vulcanized and bent at a 90° angle to ensure optimal and long-lasting adhesion to the surface.
This technical solution ensures protection, continuity, and mechanical strenght at the curb edge, even under heavy traffic and aggressive weather conditions.
Under-pavement Joint RGJ20
The RGJ20 under-pavement joint is compliant with European regulations and engineered to perform key functions in infrastructure applications. It serves as a flush expansion joint cover, allows relative movements between two decks, prevents rainwater infiltration through the gap, and guarantees structural continuity of the pavement.
The reinforcements are made of S275JR steel, cold-rolled according to UNI 7070, with rubber-to-steel adhesion greater than 10 N/mm.
The anchoring of the components is achieved using galvanized steel threaded rods with anti-loosening system, fixed with epoxy resin to ensure perfect integration into the structure.
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