M
Marcus B.19 Dec 2012 09:48Hello,
I need some professional advice.
I want to build a base for the outdoor unit (split system) of my air-to-water heat pump myself.
The dimensions are 1.35 m x 0.75 m (4.4 ft x 2.5 ft). The thickness should be about 20 cm (8 inches). What materials are needed for this (gravel, sand, rebar, etc.)?
Are there prefabricated products available for this purpose (for example, a mixable aggregate from a building supply center), or do I need to make concrete in the traditional way with a concrete mixer? What should I keep in mind?
I would appreciate any tips.
Best regards
I need some professional advice.
I want to build a base for the outdoor unit (split system) of my air-to-water heat pump myself.
The dimensions are 1.35 m x 0.75 m (4.4 ft x 2.5 ft). The thickness should be about 20 cm (8 inches). What materials are needed for this (gravel, sand, rebar, etc.)?
Are there prefabricated products available for this purpose (for example, a mixable aggregate from a building supply center), or do I need to make concrete in the traditional way with a concrete mixer? What should I keep in mind?
I would appreciate any tips.
Best regards
At the hardware store, screed concrete is available in bags; one 40 kg (88 lbs) bag yields 20 liters (5.3 gallons). For your 202 liters (53 gallons), I would therefore buy 10–11 bags.
Whether reinforcement is necessary for this size and load is questionable. I would cut and lay reinforcement mesh in two layers, making sure there is sufficient concrete cover on all sides.
You should also add a layer of gravel or crushed stone beneath the slab.
Regards,
Sebastian
Whether reinforcement is necessary for this size and load is questionable. I would cut and lay reinforcement mesh in two layers, making sure there is sufficient concrete cover on all sides.
You should also add a layer of gravel or crushed stone beneath the slab.
Regards,
Sebastian
M
Marcus B.19 Dec 2012 16:04Hello,
Thank you very much for the quick reply. I believe the splitter device weighs around 30 kg (66 lbs). I was just at the hardware store, and they recommended product B03 from Qick-Mix. What grain size should the gravel be? And how many centimeters thick should the gravel layer be (according to the hardware store, about 30 cm (12 inches))? Do I need to compact it again with a vibrating plate compactor, or is it sufficient to compact the gravel layer using a hand tamper?
The base is compacted recycled sand.
"You should ensure sufficient concrete cover on all sides" – what does that mean?
Thank you in advance.
Thank you very much for the quick reply. I believe the splitter device weighs around 30 kg (66 lbs). I was just at the hardware store, and they recommended product B03 from Qick-Mix. What grain size should the gravel be? And how many centimeters thick should the gravel layer be (according to the hardware store, about 30 cm (12 inches))? Do I need to compact it again with a vibrating plate compactor, or is it sufficient to compact the gravel layer using a hand tamper?
The base is compacted recycled sand.
"You should ensure sufficient concrete cover on all sides" – what does that mean?
Thank you in advance.
Marcus B. schrieb:
.....I would be very grateful for any tips Manufacturers often provide recommendations for this. However, be aware that with air source heat pumps, noise generation may need to be considered. In addition to the airborne noise from the fan, low-frequency structure-borne noise can cause significant issues.
Best regards
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