Block and plank construction

What is block and plank construction?

Block and Plank Explanation: Construction method, using concrete masonry units ( block ), as the bearing walls, with precast concrete plank over the top, to form the combination ceiling and floor, of the next level.

What does hollow core mean?

The term hollow core is normally used to describe a construction product that has a core that is not filled. If a roofing panel is hollow core , the panel will be extremely light, but will not offer substantial sound, fire or temperature resistance.

What is hollow core precast concrete?

Hollowcore systems are prestressed concrete plank that serve as both a ready-made sub floor for a garage, and a ceiling for additional living areas.

Can you cut prestressed concrete?

This type of floor can be cut , but you have to know what you are getting into and provide additional support as needed. The best approach would be to contact the producer who supplied the floor for guidance.

How much can you cut off a hollow core door?

Remember, you only have about an inch and a half available to lose from the average hollow core door . If you need to take off more than that, think about replacing the door instead. Start by drawing a pencil line to show where you ‘re cutting , then grab a knife and a guide and score the surface of the door .

Are hollow core doors good?

Hollow core doors are light weight, but they’re not exactly hollow . These types of doors are light weight, low cost, and easy to move and install. Because of their light weight nature, these doors are not good at blocking out sound, making them best for spaces where noise is not an issue, like closets.

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What is a floor core?

A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.

How far can precast concrete span?

For the purposes of this Guide, long – span floor systems are generally spanning greater than six metres for reinforced concrete systems or eight metres for prestressed systems. Some systems are effective below these arbitrary limits and their full range is included herein for completeness.

What is hollow block slab?

Introduction:  Hollow block and Ribbed slabs are formed by placing blocks on the slab and concrete ribs.  In case of hollow block slab voided blocks are placed to reduce the total weight of the slab .

Can concrete lintels be cut?

Cutting . Prestressed concrete Lintels may be cut using a high speed diamond cutting disc. Under no circumstances should the Ultra-Fire Range of Lintels be cut down in size.