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Garage door insulation and security

Your garage door can be the biggest source of heat and noise leaks in your home and, at the same time, its easiest point to force. We improve its thermal and acoustic insulation and reinforce it against break-ins, impacts and the door dropping.

  • Factory-direct prices
  • 3-year written warranty (5 years on motors)
  • Free quote within 24 hours
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What it involves

The garage is usually the worst-insulated room in the home and, at the same time, the one with the largest opening. If it is attached to the house or underneath it, summer heat and winter damp pass into the rooms, and if you use it as a gym, workshop or office, an uninsulated door makes it uncomfortable for much of the year. It is also a direct way into the house that, with a weak door, is easy to force.

This service covers both. For insulation, we fit sandwich panels with a polyurethane core, perimeter and inter-panel seals, floor and lintel weatherstrips, brushes on roller doors and solutions that reduce both street noise and the noise of the door itself as it moves. For security, we install anti-lever and anti-lift reinforcements, bolts and security locks, anti-drop systems and safety brakes, and vandal-resistant doors in reinforced steel sheet.

We inspect your current door and suggest the improvements that make the biggest difference with the least work, from replacing a few seals to reinforcing the whole structure. And every door we make complies with UNE-EN 13241-1.

Cross-section of an insulated sandwich panel for a garage door, with seals

Insulation and security: jobs we do

These are the jobs we are asked for most. If yours looks like one of them, call us and we will tell you how we would handle it.

Garage door insulation

A plain steel door heats up in the sun like a hotplate and passes that heat into the garage and the house. Sandwich panels with an injected polyurethane core cut off that heat transfer, and seals between the panels and all round the perimeter stop draughts. We find out where your door is losing out: uninsulated steel, gaps at the lintel and sides, a flattened bottom seal or an open roller box. We offer everything from a complete seal to thicker insulated panels, so the garage stays cooler in summer and less cold and damp in winter.

Garage converted into a living space, gym or workshop

If you use the garage as a gym, home office, games room or DIY workshop, the door becomes just another wall of the house. For that space to be liveable, it has to insulate against heat and cold, close tightly so that dust and insects stay out, and dampen noise towards the street. We fit insulated sandwich panels, seals all the way round and a bottom seal adapted to uneven floors, and we treat the points where sound escapes. That way you can spend hours inside with the door closed in the middle of August or on a cold January morning.

Soundproofing a garage door

Noise travels in and out through the garage door: traffic and motorbikes from the street coming in, and music, machines or the workshop compressor going out to the neighbours. Much of the sound gets through the gaps, so we start by closing off the perimeter with double-lip seals, bottom weatherstrips and lintel profiles. Then we work on the door leaf itself: a single steel sheet vibrates and lets noise through, whereas a good, thick sandwich panel deadens it much more. The result is a garage where you can work or rehearse without disturbing anyone, and a quieter home.

Anti-lever reinforcement for garage doors

The usual way to force a garage door is to push a crowbar in at the bottom or one side and lift or bend the leaf until the lock gives. We install anti-lever and anti-lift reinforcements that lock the panels against the tracks when the door is closed, reinforcing plates and profiles along the bottom, side locks on up-and-over doors and protected guides on roller doors. On motorised sectional doors we add a lock that stops the door being lifted from outside even if someone tries to force the motor. These are discreet upgrades that do not change how the door looks and make it much harder to open.

Anti-drop and safety brake systems for garage doors

If a spring or cable breaks, a sectional or roller door weighing many kilos can come crashing down. Anti-drop systems prevent this: on sectional doors, spring-break and cable-break devices that instantly lock the shaft or the panels; on roller doors, a safety brake on the shaft that stops the slats from falling. It is the protection that matters most if you have children at home or often walk under the door, and we fit it both on new doors and on doors in use that do not have it.

More jobs in this service

  • Replace worn garage door seals and weatherstrips

    Sun and use make the rubber crack and flatten, and air, dust and noise get in through the gaps. We replace bottom weatherstrips and side, lintel and inter-panel seals with new profiles adapted to your door, with no need to replace the door itself.

  • Garage door bottom seal and threshold to keep water out

    In garages at street level or with the ramp sloping inwards, the downpours of the gota fría storms get in under the door. We fit taller bottom seals, threshold profiles and seals that adapt to uneven floors to keep out water and mud.

  • Roller garage door brush seals against dust, leaves and insects

    Roller doors leave a gap between the slats and the guides where dust, leaves and insects get in. We fit brushes and seals in the guides, on the bottom slat and at the entrance to the box to close those gaps without slowing the door down.

  • Insulating a steel up-and-over garage door from inside

    Many old up-and-over doors are just a single uninsulated sheet of steel. We line the inside with lightweight insulating panels, calculating their weight to rebalance the springs or counterweights, and add perimeter seals so the garage stops being an oven in summer.

  • Insulating a roller garage door box

    When the roller door box sits inside the garage, it is a hollow casing through which heat and noise escape. We close it off with insulated removable covers and seals, so the shaft and motor stay accessible for any servicing.

  • Damp and condensation in a well-sealed garage

    Once the garage is sealed, the humidity of the coastal air can condense on the walls and the steel. We combine insulation with ventilation grilles built into the door, so the air is renewed without losing comfort or security.

  • Noisy garage door heard throughout the house

    If vibrations from the door and motor carry through to the bedrooms, we fit anti-vibration mounts on the rail and the ceiling fixings and dampers at the end of travel, so opening and closing no longer resonates through the structure of the house.

  • Floor or side bolt for a garage door

    An internal bolt that anchors the door to the floor or frame is one of the simplest and most effective upgrades. We fit it on up-and-over, sectional and swing doors, either manual or with a micro-switch that prevents the motor from starting while it is engaged.

  • Security lock for a manual up-and-over garage door

    The original locks on many up-and-over doors are easy to open. We replace them with security locks with an anti-bump cylinder and several locking points that secure the leaf at top and bottom, with new keys and a protective escutcheon.

  • Side bolts and central lock for commercial roller shutters

    In shops and warehouses with a manual roller shutter we install central locks on the bottom slat, side bolts that anchor into the guides and protected floor padlocks, so the shutter cannot be lifted, not even with a crowbar.

  • Vandal-resistant garage door for a holiday home

    Villas and apartments that stay closed for months need a door that can withstand blows, kicks and attempts to force it. We make reinforced steel doors with a sturdier internal structure, protected hinges and guides and locks that cannot be seen from outside.

  • Magnetic contact to connect the garage door to your alarm

    If you have a home alarm, your garage door should trigger it too. We install surface-mounted or recessed magnetic contacts designed to cope with the vibration and movement of the door, and leave the wiring ready for your alarm company to connect them.

What you get with us

  • A more comfortable garage all year round

    With the door properly insulated and sealed, the garage keeps a more stable temperature, the rooms next to or above it feel the difference and you can use it for more than just parking.

  • An entrance that is much harder to force

    The reinforcements and locks we fit protect exactly the points where garage doors are usually forced: the bottom, the sides and the lock itself.

  • Upgrades to the door you already have

    Seals, brushes, bolts, reinforcements and anti-drop devices are adapted to the door already installed, with less work and without having to replace it to notice the difference.

  • Own team, no subcontractors

    The same people who make and install our doors fit every reinforcement and every seal, so we take responsibility for the work from start to finish.

How we do it, step by step

  1. Inspection of your door and garage

    We look at the type of door and its condition, where air, water or noise get in and what its weak points are against a break-in attempt.

  2. Proposal and free quote

    We explain which upgrades will make the biggest difference to your garage and send you a free quote within 24 hours, with each job itemised separately so you can choose.

  3. Fitting seals, panels and reinforcements

    We install seals, panels, bolts and anti-drop systems, and recalculate the balance of the door when we add weight, so it does not strain the motor or the springs.

  4. Closing and safety test

    We check that the door seals tightly all round, that bolts and reinforcements work properly and that the anti-drop system locks as it should if something breaks.

Insulation and security in Alicante province

In the province of Alicante, the main insulation challenge is the heat. From June to September a steel door facing south or west gets too hot to touch, and in the townhouses and villas of Gran Alacant, Vistahermosa, Mutxamel or San Vicente del Raspeig, where the garage sits under the living room or next to the kitchen, that heat rises into the home. Add to that the coastal humidity, the dust and calima haze that reach Elche and its countryside, and the gota fría downpours that get in under the doors of street-level garages.

When it comes to security, the province has a very specific profile: many holiday homes that stand empty all winter in Santa Pola, El Campello or Arenales del Sol, isolated villas in the rural partidas of Elche and shops with roller shutters in neighbourhoods such as Carrús or central Alicante. In all of them the garage or shop door is the most exposed point, which is why we reinforce locks, guides and the bottom of the door bearing in mind that the property may go unwatched for long periods.

Where we do it

Garage doors in Mutxamel

We install and repair garage doors in Mutxamel, from the town centre to the urbanisations of Bonalba, Valle del Sol or Río Park and the industrial units of the Riodel estate. We make every door to measure and sell it at factory-direct prices, with no middlemen.

Casco urbano · Bonalba-Cotoveta · Valle del Sol · Río Park

Garage doors in Aspe

We manufacture and install garage doors in Aspe for houses in the town centre, apartment blocks in La Coca and Vistahermosa, country properties in Huerta Mayor, El Aljau or La Ofra and industrial units on the Polígono Tres Hermanas, built to cope with the heat and dust of the Vinalopó.

El Castillo · Serranica · Colón-Santa Rita · Polvorín

Garage doors in Elda

We install, motorise and repair garage doors in Elda: community garages in the apartment-block neighbourhoods, ground-floor premises that were once shoe workshops, garages in single-storey houses and industrial units on Campo Alto, Finca Lacy and Torreta-Río.

San Francisco de Sales · Nueva Fraternidad · Las Trescientas · La Prosperidad

Get a quote: insulation and security

Free quote within 24 hours, fitted in one day and a written warranty. Call us or message us on WhatsApp.

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Frequently asked questions

What people ask us most about insulation and security.

Insulation and security: your questions

How much better does a sandwich panel garage door insulate?

Compared with a single-skin steel door, a sandwich panel with a polyurethane core significantly reduces the transfer of heat and noise, because the insulating foam is enclosed between two steel sheets. But the seals count as much as the panel: a highly insulating door with gaps at the lintel or floor loses much of its effect. That is why we always treat the door and its surround as a whole.

Can I insulate my existing garage door without replacing it?

Yes. Replacing seals and weatherstrips, sealing the lintel, adding brushes to a roller door or insulating its box are all jobs done on your current door. A steel up-and-over door can also be lined on the inside with insulating panels, recalculating its counterweights or springs. If your door is very old or damaged, we explain clearly what improvement you will notice with each option so you can decide.

What is an anti-drop system and why is it worth having?

It is a device that stops the door if a spring or cable breaks, so it does not come crashing down. On sectional doors it acts on the shaft or at the sides, and on roller doors it is a safety brake fitted to the shaft. Garage door safety regulations require that the leaf cannot fall dangerously when a component fails, so adding one to a door that does not have it is a highly recommended upgrade.

What security reinforcement does my garage door need?

Each type of door has its weak point. On up-and-over doors it is usually the lock and the sides; on roller doors, the bottom of the slats, which intruders try to lever up; on sectional doors, the leaf when it has no anti-lift lock. We inspect your door, show you where it could be forced and suggest the reinforcement that solves that specific weak point: bolts, locks, profiles or locking devices.

Do new seals slow the door down or strain the motor?

No, not when they are chosen correctly. We fit seals with the right profile and hardness for each door, so they seal on contact without creating friction as the door moves. Once finished, we adjust the limit switch and the motor force so the door closes pressing on the seal just enough, without bouncing or straining, and we check that the safety reversal on detecting obstacles still works.

Other services you may need

Finishes

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