BeevolutionX insulating cushion 430×500×62 mm - Dadant 10-frame RBC®

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62 mm insulating cushion for Dadant 10-frame RBC® hives — high-density XPS + aluminised PE film >85%. Stabilises the internal climate year-round: holds cluster heat in winter, reflects solar radiation in summer, cuts condensation. Replaces two standard 28 mm cushions. Made by BeevolutionX Tech. ⚠️ Remove during formic-acid treatments.

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Detalles de BeevolutionX insulating cushion 430×500×62 mm - Dadant 10-frame RBC®

Insulating cushion 62 mm thick for the roof of a Dadant 10-frame hive — combines high-density XPS with an aluminised heat-reflective film on the upper face. Made in the BeevolutionX Tech workshops (La Salvetat-sur-Agout, France) to the proprietary RBC® (Ruche Basse Consommation) standard. Stabilises the internal climate year-round: holds the cluster heat in winter, reflects solar radiation in summer and cuts the condensation that forms on the roof whenever there is a sharp thermal gap between brood and outside.

🔥 Winter + summer insulation in a single piece

In winter the real threat is not cold — it is condensation: the cluster produces heat and water vapour that condense on a cold roof and drip back onto the bees. Cold-wet kills colonies. The cushion breaks that thermal bridge with 62 mm of XPS. In summer, the aluminised film reflects 85%+ of incoming infrared radiation — a hive in full sun stays several degrees below an exposed roof and fewer bees hang out at the entrance as a beard. One element covers both critical seasons.

🏗️ High-density XPS + aluminised PE film

The core is extruded polystyrene (XPS) at 100 kg/m³ — rot-proof, rigid, does not absorb moisture even pressed against a damp roof. The outer jacket is an aluminised polyethylene film > 85% — adds the radiant barrier, reinforces the vapour tightness of the XPS and protects the foam from scratches, propolis and repeated handling. Cleaning is a plain water rinse — no aggressive chemicals required.

📐 Placement: on the crown board, under the roof

Fits directly on top of the thermal crown board (écharpe RBC® if you are in the BeevolutionX ecosystem) and under the hive roof. The aluminised face always goes upwards, against the roof: the reflective surface protects the roof from overheating and bounces the radiation coming through the metal cover back out. A single 62 mm piece replaces two stacked 28 mm standard XPS cushions — less assembly, fewer joints for air to slip through.

⚠️ Caution with formic-acid treatments

The aluminised film is sensitive to formic-acid vapours. If you run Formic Pro or any other formic treatment, remove the cushion, the thermal crown board and any other heat-reflective component first — formic vapours degrade the aluminium and drop the film's effectiveness. No issues with Varromed or oxalic acid (sublimation or trickle) under standard protocols — neither attacks the aluminium.

📋 Technical data

Dimensions	430 × 500 × 62 mm (43 × 50 × 6.2 cm)
Weight	≈ 480 g
Core	XPS (extruded polystyrene) high density 100 kg/m³
Facing	Aluminised PE film > 85% (BeevolutionX)
Compatibility	Dadant 10-frame hive · RBC® ecosystem
Position	On the crown board, under the roof — aluminised face up
Replaces	2 stacked 28 mm standard XPS cushions
Manufacture	BeevolutionX Tech — La Salvetat-sur-Agout (France)
Cleaning	Clean-water rinse
⚠️ Incompatibility	Remove during formic-acid treatments (Formic Pro)
Pairs with	Insulated Dadant 10 RBC® base · 56×56 thermal crown board