What is a Mamad? The Complete Guide to Safe Rooms in Israel

What is a Mamad?

A Mamad (Hebrew acronym: ממ”ד, standing for Merhav Mugan Dirti — “apartment-level protected space”) is a reinforced safe room built inside apartments and houses in Israel. Since 1992, every new building must include a mamad in each residential unit.

The mamad is designed to protect occupants against:

• Rocket fragments and shrapnel — 20-30cm reinforced concrete walls absorb impact and prevent penetration
• Chemical and biological weapons — sealed door with NBC filtration prevents toxic agents from entering
• Blast waves — the reinforced structure withstands the pressure wave from nearby explosions

The concept was born after the 1991 Gulf War, when Iraqi Scud missiles hit Israeli cities and civilians had no in-apartment protection. The law mandating mamads in all new construction was passed in 1992, making Israel one of the only countries in the world where every new home includes a built-in shelter.

Types of Protected Spaces

Israel has several types of protected spaces, each designed for different situations:

Type	Hebrew	Full Name	Location	For
Mamad	ממ”ד	Merhav Mugan Dirti	Inside apartment	Individual residential units
Mamak	ממ”ק	Merhav Mugan Komati	Each floor	Older buildings without individual mamads
Mamam	ממ”מ	Merhav Mugan Mosadi	Institutional buildings	Schools, hospitals, government offices
Miklat	מקלט	Miklat Tziburi	Underground	General public

Understanding the Differences

• Mamad is the most accessible — it is literally inside your apartment, so you can reach it within seconds. It provides protection for one household.
• Mamak is a shared room on each floor, found in buildings from the 1980s. You need to leave your apartment and go to the floor’s protected space. Less convenient but still close.
• Miklat is an underground public shelter, offering the strongest protection against a direct hit but requiring more time to reach and often shared with dozens or hundreds of people.

Why is a Mamad Important?

• Rocket protection — 20-30cm reinforced concrete walls can withstand shrapnel and blast impact from rockets and mortars
• Chemical and biological defense — sealed door and air filtration system protect against NBC threats, a real concern given regional adversaries’ capabilities
• Response time — in cities near the border, residents have only 15-90 seconds to reach shelter. A mamad is the only option when time is this short
• Property value — apartments with a mamad are worth 10-15% more on the market. In some areas, the premium is even higher
• Daily use — most families use the mamad as a regular room (bedroom, office, children’s room) and only activate its protective features during emergencies
• Peace of mind — knowing you have a protected space at home reduces anxiety during escalations

What are the Requirements for a Mamad?

Under Israeli Standard 4910, a mamad must meet the following requirements:

1. Steel door — a regulation mamad door (DR-4 grade minimum) with a manual lock operable from both sides
2. Sealed window — a window (max 50x30 cm) with an external steel shutter that locks from inside
3. Rubber gasket — a continuous rubber seal around the entire door frame for airtight closure
4. Filtration system — an air filtration unit (NBC rated, mandatory in new buildings) mounted in the exterior wall
5. Electricity — a power outlet and lighting fixture inside the room
6. Communication — a phone connection point (in newer buildings, this includes internet)
7. Minimum size — at least 9 square meters of floor area
8. Wall thickness — at least 30cm of reinforced concrete (B-30 grade minimum)
9. Ceiling height — at least 2.5 meters

How to Check Your Mamad

Use our Mamad Readiness Checker — 10 simple questions to assess your safe room’s readiness.

Key checks you can do yourself:

1. Door test — close the door and lock it. It should close smoothly without excessive force and lock securely. If it scrapes, sticks, or does not lock, the hinges or frame need attention.

2. Rubber seal test — with the door closed, turn off the lights inside. Have someone shine a flashlight around the door frame from outside. If light comes through, the seal is compromised.

3. Window test — close the steel shutter and lock it. Check that it seals properly all the way around. The shutter should move smoothly and lock firmly.

4. Room readiness — the mamad should not be used as permanent storage. You should be able to clear it for use within 2 minutes. Remove heavy furniture that would be difficult to move quickly.

5. Filtration check — if you have an NBC filtration unit, test it periodically. The filter has a limited lifespan and should be replaced according to the manufacturer’s instructions (typically every 5-10 years).

6. Ventilation — ensure the ventilation opening is not blocked by furniture or belongings.

What If You Don’t Have a Mamad?

If you live in a building constructed before 1992, you likely do not have a mamad. Here are your options, in order of preference:

1. Check for a mamak — your building may have a shared protected space on each floor. Ask your building committee.
2. Find a public shelter near you — use our offline shelter map to locate the nearest miklat.
3. Use an internal stairwell (no windows) as temporary shelter — not ideal, but better than an open room.
4. Build a new mamad — costs 120,000-200,000 ₪ for a standard 9 sqm room. Requires a building permit.
5. Install a mobile mamad — a prefabricated unit from 60,000 ₪, installed in 2-4 weeks.

Choosing the Safest Room Without a Mamad

If you must shelter in a regular room, choose one that:

• Has the fewest and smallest windows
• Is on a lower floor (not ground floor if there is a basement)
• Has thick walls (interior load-bearing walls are best)
• Is away from the building exterior (interior rooms are safer)
• Has no glass doors or large windows

Costs

Service	Price Range	Timeline
New mamad (9 sqm)	120,000-200,000 ₪	3-6 months
Mobile mamad	60,000-90,000 ₪	2-4 weeks
Door replacement	2,500-4,500 ₪	1 day + 2-4 weeks ordering
Door repair	800-2,000 ₪	1-3 hours
Rubber seal replacement	200-500 ₪	1 hour
Window sealing	500-1,500 ₪	1-2 hours
Filtration system	3,000-8,000 ₪	Half a day
Professional inspection	500-1,000 ₪	1-2 hours

Use our cost calculator

Living with Your Mamad

Most Israelis use their mamad as a regular room during peaceful times. Here are practical tips:

• Use lightweight furniture that can be moved quickly — a bed on wheels, a foldable desk
• Keep a shelf near the door with a flashlight, radio, water, and essential medications
• Do not drill into mamad walls — this can compromise the reinforced concrete. Use adhesive hooks or freestanding shelves
• Keep the door openable — do not place heavy furniture that blocks the door from closing
• Practice a 2-minute drill — time how quickly your family can clear the room and close the door

Frequently Asked Questions

Is a mamad required in every apartment? Since 1992, all new construction in Israel must include a mamad. Apartments built before then are not required to have one, but it is strongly recommended. The law also applies to major renovations and building additions.

What should I do if I don’t have a mamad? Find the nearest public shelter. An internal stairwell (without windows) can also serve as a temporary protected space. Consider installing a mobile mamad if you have outdoor space.

How long does it take to build a mamad? Building a new mamad takes 3-6 months including permits and construction. A mobile (prefabricated) mamad can be installed within two to four weeks.

Is financial assistance available? Yes, the Ministry of Defense offers subsidies for mamad construction, particularly for buildings in border communities and buildings constructed before 1992. Check your eligibility on the Ministry of Defense website or contact your local municipality.

Can I use my mamad as a regular room? Yes, the majority of Israeli families use their mamad as a bedroom, home office, or children’s room. The key requirement is that it must be possible to clear the room and activate its protective features within minutes during an alert.

Who is responsible for mamad maintenance — the tenant or the landlord? In rental properties, the landlord is responsible for ensuring the mamad is functional (door closes, seal intact, window works). The tenant is responsible for keeping the room accessible and not damaging the protective features.

What is the difference between a mamad and a bomb shelter? A mamad is an in-apartment safe room with reinforced walls, a steel door, and NBC protection. A bomb shelter (miklat) is a larger, underground structure serving an entire building or neighborhood. Both protect against rockets, but a miklat offers better protection against a direct hit while a mamad offers faster access and chemical protection.