Green Roof Installers Watford

Best Green Roof Installers in Watford

Receive up to 3 Green Roof Installers quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best deal.

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  • House Martin's Roofing
    3
    GB

    HOUSE MARTIN'S ROOFING & REFURBISHMENTS is a family run business established since 1980. We are a family run business using only our own qualified tradesmen, all with 10-15 years’ experience within the roofing industry. We work with our customers to achieve all their needs and to make them feel 100% safe when using House Martin's Roofing. We believe in honesty and integrity. We carry full public liability insurance and are full members of The Confederation of Roofing Contractors (member No. 7049) and as such, all our work is covered by an insurance backed guarantee. House Martin's Roofing & Refurbishments are fully compliant with all current Health & Safety regulations. House Martin's Roofing are proud members of Checkatrade. You can read our Checkatrade reviews by clicking below.

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  • Roofing Direct Watford
    5
    Watford, GB

    Roofing Direct Watford Ltd offers 24 hour emergency roofing callouts for households within 25 miles from Watford and within the M25. We give a 20 year guarantee on our roofing work. We offer free site visits and prices estimates for all roofing work, whether that is a repair, regular maintenance or a new roof. We work in the Watford, Hemel Hempstead & St Albans areas.

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  • Skyline Roofing Centres Watford
    4.3
    Watford, GB

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Green Roof Installation FAQs

Looking for reliable information about green roof installations? Find answers to common questions and get connected with experienced green roof installers in UK.

What is the difference between intensive and extensive green roofs?

The main difference between intensive and extensive green roofs lies in their depth, planting, and maintenance:
Extensive Green Roofs:
  • Shallower soil depth (typically less than 150mm)
  • Use drought-tolerant, low-maintenance plants like sedums, grasses, and herbs.
  • Lighter weight, requiring less structural support.
  • Not intended for regular foot traffic.
Intensive Green Roofs:
  • Deeper soil depth (150mm or more)
  • Accommodate a wider variety of plants, including shrubs and small trees.
  • Heavier, requiring more structural support.
  • Can be designed for recreational use and foot traffic.

What is a green roof, and how does it work?

A green roof, also known as a living roof or eco-roof, is a roof system partially or completely covered with vegetation planted over a waterproofing membrane. It's a layered system that typically includes:
  • Waterproofing Membrane: A waterproof barrier to protect the building from water intrusion.
  • Drainage Layer: Allows excess water to drain away from the roof.
  • Growing Medium: A lightweight soil mix specifically designed for rooftop gardens.
  • Vegetation: Plants chosen for their suitability to rooftop conditions.
Green roofs provide numerous benefits, including reduced energy costs, improved air quality, stormwater management, noise reduction, and enhanced aesthetics.

How do I know if my roof can support a green roof?

Before installing a green roof, it's essential to have a structural engineer assess your roof's load-bearing capacity to ensure it can handle the additional weight. The weight of a green roof can vary depending on the type of system, the soil depth, and the saturation level of the growing medium. The structural engineer will evaluate the roof's design, framing, and supporting elements to determine if it needs reinforcement or modifications to accommodate the green roof's weight.

What is the purpose of a drainage layer in a green roof?

The drainage layer in a green roof system serves several important functions:
  • Removing Excess Water: Allows excess water from rainfall or irrigation to drain away from the roof, preventing ponding and ensuring the plants don't become waterlogged.
  • Providing Airflow: Creates air space between the waterproofing membrane and the growing medium, promoting air circulation and preventing the buildup of moisture.
  • Protecting the Waterproofing Membrane: Helps to protect the waterproofing membrane from punctures or damage caused by rocks, roots, or other sharp objects in the growing medium.
Drainage layers can be made of various materials, such as gravel, expanded clay, or specialized drainage boards.

What is the difference between intensive and extensive green roofs?

The main difference between intensive and extensive green roofs lies in their depth, planting, and maintenance:
Extensive Green Roofs:
  • Shallower soil depth (typically less than 150mm)
  • Use drought-tolerant, low-maintenance plants like sedums, grasses, and herbs.
  • Lighter weight, requiring less structural support.
  • Not intended for regular foot traffic.
Intensive Green Roofs:
  • Deeper soil depth (150mm or more)
  • Accommodate a wider variety of plants, including shrubs and small trees.
  • Heavier, requiring more structural support.
  • Can be designed for recreational use and foot traffic.

What is a green roof, and how does it work?

A green roof, also known as a living roof or eco-roof, is a roof system partially or completely covered with vegetation planted over a waterproofing membrane. It's a layered system that typically includes:
  • Waterproofing Membrane: A waterproof barrier to protect the building from water intrusion.
  • Drainage Layer: Allows excess water to drain away from the roof.
  • Growing Medium: A lightweight soil mix specifically designed for rooftop gardens.
  • Vegetation: Plants chosen for their suitability to rooftop conditions.
Green roofs provide numerous benefits, including reduced energy costs, improved air quality, stormwater management, noise reduction, and enhanced aesthetics.

How do I know if my roof can support a green roof?

Before installing a green roof, it's essential to have a structural engineer assess your roof's load-bearing capacity to ensure it can handle the additional weight. The weight of a green roof can vary depending on the type of system, the soil depth, and the saturation level of the growing medium. The structural engineer will evaluate the roof's design, framing, and supporting elements to determine if it needs reinforcement or modifications to accommodate the green roof's weight.

What is the purpose of a drainage layer in a green roof?

The drainage layer in a green roof system serves several important functions:
  • Removing Excess Water: Allows excess water from rainfall or irrigation to drain away from the roof, preventing ponding and ensuring the plants don't become waterlogged.
  • Providing Airflow: Creates air space between the waterproofing membrane and the growing medium, promoting air circulation and preventing the buildup of moisture.
  • Protecting the Waterproofing Membrane: Helps to protect the waterproofing membrane from punctures or damage caused by rocks, roots, or other sharp objects in the growing medium.
Drainage layers can be made of various materials, such as gravel, expanded clay, or specialized drainage boards.