Frequently Asked Questions - Lintels & Padstones
Q1: Where Are Lintels Used?
A1: Lintels support walls above openings like doors and windows, spanning various shapes and sizes, from Juliet balconies to large openings like bi-fold doors.
Q2: How to Tell if a Wall is Load-Bearing?
A2: Check if floor joists run perpendicular to the wall by looking under the floorboards. If they do, the wall is likely load-bearing.
Q3: Can I Cast a Padstone On-Site?
A3: It’s possible but difficult to ensure quality on-site. Pre-cast padstones are stronger and ready for immediate use once delivered.
Q4: What Size Lintel Do I Need for a Door?
A4: The size depends on the door width and load above. Wider or heavier loads require larger lintels.
Q5: Steel or Concrete Lintel—Which is Better?
A5: Both suit doorways; the choice depends on wall finish, load, and budget.
Q6: Why Use Padstones for Steel Beams in Masonry Walls?
A6: Padstones help distribute the weight of steel beams evenly, preventing damage to the wall and ensuring structural integrity.
Q7: What Are Box Lintels?
A7: Box lintels are rectangular steel lintels used for specific applications; some come with insulation to reduce heat loss.
Q8: How Much Support Does a Lintel Need?
A8: Lintels need proper end bearings on each side of the opening to transfer loads effectively.
Q8: How Can a Lintel Be Repaired?
A8: Repair or replace damaged lintels promptly to avoid further structural issues. Different lintels require specific repair methods.
Q9: How Do I Drill into a Lintel?
A9: Use a masonry bit for concrete and HSS bit for steel, starting with smaller bits at lower speeds and increasing as needed.
Q10: Do I Need a Lintel Above Patio Doors?
A10: Yes, any door opening, especially larger ones like patio or bi-fold doors, requires a lintel for support.
Q11: Do I Need a Lintel for a New Window?
A11: Yes, all window openings need a lintel for structural support if one isn’t already installed.