CA2403722A1 - Method and apparatus for ventilation of foundations - Google Patents

Method and apparatus for ventilation of foundations Download PDF

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Publication number
CA2403722A1
CA2403722A1 CA002403722A CA2403722A CA2403722A1 CA 2403722 A1 CA2403722 A1 CA 2403722A1 CA 002403722 A CA002403722 A CA 002403722A CA 2403722 A CA2403722 A CA 2403722A CA 2403722 A1 CA2403722 A1 CA 2403722A1
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CA
Canada
Prior art keywords
climate
climate zone
zone
air
crawl space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002403722A
Other languages
French (fr)
Other versions
CA2403722C (en
Inventor
Bengt Steneby
Torsten Mattsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2403722A1 publication Critical patent/CA2403722A1/en
Application granted granted Critical
Publication of CA2403722C publication Critical patent/CA2403722C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7069—Drying or keeping dry, e.g. by air vents by ventilating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/0007—Base structures; Cellars

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ventilation (AREA)
  • Building Environments (AREA)
  • Prevention Of Fouling (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Arrangement for protecting floors above the crawl space and buildings on foundations of the crawl-space type from damp and microbial growth, where the crawl space (2) is delimited by the floor (4) above the crawl space of the building, bearing foundation walls (1) with vents (9) for outdoor air and the foundation ground (3). The arrangement comprises an essentially windtight and vapourtight climate screen (12) which is arranged in such a manner that it divides the crawl space (2) into at least one upper (10) and at least one lower (11) climate zone and forms a tight partition between the climate zones. The climate screen (12) is located at such at height in the crawl space (2) that the outdoor air vents (9) in the foundation walls (1) communicate with only the lower climate zone (11). The upper climate zone (10) is provided with at least one supply air opening (18) which is connected to a room above in the building, and an exhaust air opening (21; 22) which is connected to a discharge duct (23; 24). A fan (25) is arranged in association with the discharge duct (23; 24), by means of which it is possible to maintain a lower pressure in the upper climate zone (10) than the pressure in said room above, so that the upper climate zone (10) is ventilated by indoor air from the building and the lower climate zone (11) is ventilated by outdoor air. The invention also relates to a method of protecting the floor above the crawl space from damp and microbial growth.

Claims (18)

1. Method of protecting floors above the crawl space and buildings on foundations of the crawl-space type from damp and microbial growth, where the crawl space (2) is delimited by the floor (4) above the crawl space of the building, bearing foundation walls (1) with vents (9) for outdoor air and the foundation ground (3), characterized in that the crawl space (2) is divided into at least one upper (10) and at least one lower (11) climate zone, in that the two climate zones are separated from one another by means of an essentially windtight and vapourtight climate screen (12) which forms a tight partition between the climate zones, in that the climate screen (12) is arranged at such a height in the crawl space (2) that the outdoor air vents (9) in the foundation walls (1) communicate with only the lower climate zone (11), in that the upper climate zone (10) is provided with at least one supply air opening (18) and at least one exhaust air opening (21; 22), in that the supply air opening (18) is connected to a room above in the building and the exhaust air opening (21; 22) is connected to a discharge duct (23; 24), and in that a fan (25) is arranged in association with the discharge duct so as to maintain a lower pressure in the upper climate zone (10) than the pressure in said room above, so that the upper climate zone (10) is ventilated by indoor air from the building and the lower climate zone (11) is ventilated by outdoor air.
2. Method according to Claim 1, characterized in that the supply air opening (18) is provided with a connecting duct which can supply dried air from a drying apparatus.
3. Method according to Claim 1 or 2, characterized in that the part of the foundation wall (1) which delimits the upper climate zone (10) is sealed, so that good tightness against outdoor air being drawn into the upper climate zone is achieved.
4. Method according to any one of Claims 1-3, characterized in that use is made of a thermally insulated climate screen (12).
5. Method according to any one of Claims 1-4, characterized in that the climate screen (12) is positioned at such a height that the upper climate zone (10) has a considerably smaller volume than the lower climate zone (11).
6. Method according to any one of Claims 1-5, characterized in that the upper climate zone (10) is divided into a number of sections which are ventilated separately.
7. Method according to any one of Claims 1-6, characterized in that air-diffusing means (17) are arranged after the supply opening (18) in the upper climate zone (10).
8. Arrangement for protecting floors above the crawl space and buildings on foundations of the crawl-space type from damp and microbial growth, where the crawl space (2) is delimited by the floor (4) above the crawl space of the building, bearing foundation walls (1) with vents (9) for outdoor air and the foundation ground (3), characterized in that it comprises an essentially windtight arid vapourtight climate screen (12), in that the climate screen is arranged in such a manner that it divides the crawl space (2) into at least one upper (10) and at least one lower (11) climate zone and forms a tight partition between the climate zones, in that the climate screen (12) is located at such a height in the crawl space (2) that the outdoor air vents (9) in the foundation walls (1) communicate with only the lower climate zone (11), in that the upper climate zone (10) is provided with at least one supply air opening (18) which is connected to a room above in the building, and an exhaust air opening (21; 22) which is connected to a discharge duct (23; 24), and in that a fan (25) is arranged in association with the discharge duct (23; 24), by means of which it is possible to maintain a lower pressure in the upper climate zone (10) than the pressure in said room above, so that the upper climate zone (10) is ventilated by indoor air from the building and the lower climate zone (11) is ventilated by outdoor air.
9. Arrangement according to Claim 8, characterized in that it comprises an air-drying apparatus which can supply dried air to said supply air opening (18).
10. Arrangement according to Claim 8 or 9, characterized in that a seal (13) is provided, which seals that part of the foundation wall (1) which delimits the upper climate zone (10) in order to render it difficult for outdoor air to be drawn into the upper climate zone.
11. Arrangement according to any one of Claims 8-10, characterized in that the climate screen (12) is thermally insulated.
12. Arrangement according to any one of Claims 8-11, characterized in that the climate screen (12) is located at such a height that the upper climate zone (10) has a considerably smaller volume than the lower climate zone (11).
13. Arrangement according to any one of Claims 8-12, characterized in that the upper climate zone (10) is divided into a number of sections which are provided with separate supply and exhaust openings.
14. Arrangement according to any one of Claims 8-13, characterized in that air-diffusing means (17) are arranged after the supply opening (18) in the upper climate zone (10).
15. Arrangement according to Claim 14, characterized in that said air-diffusing means (17) comprise dividers (17) with flow-controlling openings (29; 42) mounted between the floor (4) above the crawl space and the climate screen (12).
16. Arrangement according to Claim 15, characterized in that the dividers (17) are bellows-shaped so as to be capable of being adapted to different heights of the climate zone (10).
17. Arrangement according to any one of Claims 8-16, characterized in that the climate screen (12) consists of a number of panel sections (14) with grooves (27) extending on all sides, in that adjoining panel sections are connected by means of a rail (28) inserted into corresponding grooves in the panel sections (14), and in that these rails are suspended on suspension elements (15) hanging down from the floor (4) above the crawl space.
18. Arrangement according to Claim 17, characterized in that said rail (28) is made with indications (33) for making openings therein, in that the openings are adapted so as to be capable of receiving said suspension elements (15), and in that the arrangement comprises wedge means (40) which can be inserted into the openings for securing the rail (28) at the desired height along the respective suspension element (15).
CA002403722A 2000-03-23 2001-03-19 Method and apparatus for ventilation of foundations Expired - Fee Related CA2403722C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0001028-0 2000-03-23
SE0001028A SE0001028L (en) 2000-03-23 2000-03-23 Methods and devices for ventilation of housing bases of the crawl space
PCT/SE2001/000567 WO2001071102A2 (en) 2000-03-23 2001-03-19 Method and apparatus for ventilation of foundations

Publications (2)

Publication Number Publication Date
CA2403722A1 true CA2403722A1 (en) 2001-09-27
CA2403722C CA2403722C (en) 2009-11-17

Family

ID=20278983

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002403722A Expired - Fee Related CA2403722C (en) 2000-03-23 2001-03-19 Method and apparatus for ventilation of foundations

Country Status (9)

Country Link
EP (1) EP1579079B1 (en)
AT (1) ATE417156T1 (en)
AU (1) AU2001242949A1 (en)
CA (1) CA2403722C (en)
DE (1) DE60136976D1 (en)
DK (1) DK1579079T3 (en)
NO (1) NO321847B1 (en)
SE (1) SE0001028L (en)
WO (1) WO2001071102A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594830A (en) * 2020-12-18 2021-04-02 北京东方华脉工程设计有限公司 Indoor fresh air ventilation and haze removal system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2943365B1 (en) 2009-03-20 2015-08-28 Jean Louis Savona AUTONOMOUS SPACE BREATHING DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE170061C1 (en) *
SE400362B (en) * 1975-10-07 1978-03-20 Thoren Torgny DEVICE AT HOUSING FOUNDATIONS WITH SUPPLY OF SPACE WARM AIR TO THE SPACE BETWEEN THE FLOOR AND THE MARKET
SE507461C2 (en) * 1994-05-18 1998-06-08 L G Miljoe & Byggkonsult Ab Ventilation system for crawl space between bottom joist and ground surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594830A (en) * 2020-12-18 2021-04-02 北京东方华脉工程设计有限公司 Indoor fresh air ventilation and haze removal system

Also Published As

Publication number Publication date
DE60136976D1 (en) 2009-01-22
WO2001071102A2 (en) 2001-09-27
NO20024510L (en) 2002-11-05
CA2403722C (en) 2009-11-17
SE0001028D0 (en) 2000-03-23
NO20024510D0 (en) 2002-09-20
EP1579079B1 (en) 2008-12-10
WO2001071102A3 (en) 2007-11-22
EP1579079A2 (en) 2005-09-28
AU2001242949A1 (en) 2001-10-03
DK1579079T3 (en) 2009-03-30
AU2001242949A8 (en) 2008-01-17
NO321847B1 (en) 2006-07-10
SE515599C2 (en) 2001-09-03
ATE417156T1 (en) 2008-12-15
SE0001028L (en) 2001-09-03

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MKLA Lapsed

Effective date: 20140319