Technical note
How much wind can your parasol actually take?
Most shade submittals in Vietnam do not carry this number. Below are the real wind limits for each TUUCI line, taken directly from the manufacturer's own warranty, and what that warranty does not cover.
25 MPH = 40 km/hThat is the wind limit on the three most common centre-post lines. 40 km/h is a force 5, edging into force 6. On the Vietnamese coast that is an ordinary afternoon, not a storm.

Wind limit by product line
The spread between the lowest and highest line is fourfold. Picking the wrong line is not an aesthetic mistake, it is a structural one.
| Product line | Anchoring condition | MPH | Converted |
|---|---|---|---|
| OM MAX | Standard configuration | 25 | 40 km/h |
| M1 | Standard configuration | 25 | 40 km/h |
| Bay Master | Standard configuration | 25 | 40 km/h |
| MEGA MAX | In-ground anchor required | 45 | 72 km/h |
| MAX F-1 | In-ground anchor required | 45 | 72 km/h |
| Solanox | Per published configuration | up to 100 | up to ~161 km/h |
Source: TUUCI's official warranty documentation. Conversion 1 MPH = 1.609 km/h, rounded. A wind limit is an operating threshold published by the manufacturer, not a wind-load test result for a specific project.
Anchoring decides nearly half the number
MEGA MAX and MAX F-1 only reach 45 MPH when anchored into the ground. The same parasol on a movable base no longer carries the published figure. This is where submittals usually fail: the spec names the line but not the anchor, and on site a ballast base goes in because it is faster.
The practical result: a project that correctly names MEGA MAX in the BOQ can still hand over a system rated far lower, and when it fails nobody is liable, because on paper every name was right.
The fix: write the anchoring method as its own line in the spec, at the same level as the product code, and require an anchor detail drawing in the submittal.
What the warranty does not cover
This is the least-read and most expensive part.
- Wind damage is not covered on any line, even below the published limit.
- Salt-air corrosion sits in the exclusions list.
- Skipping periodic fresh-water rinsing voids the warranty. This is a maintenance condition, not a recommendation.
- The warranty is non-transferable. It covers the original purchaser only and ends when the property changes hands.
- It is only valid when purchased through a manufacturer-authorised dealer. Parallel-import and grey-market units carry no warranty, correct model code or not.
The last point matters to owners: it removes every unofficial supply route from the price comparison, if whoever approves knows to ask.
Putting the number next to the Vietnamese coast
TCVN 2737 divides Vietnam into wind-pressure zones, and the coastal strip falls in the higher ones. Design wind speeds there run well past 40 km/h. Which means most centre-post parasols are installed in locations that exceed their own operating threshold on many days each year.
That does not make them unusable. It means an operating procedure has to come with them: who closes the parasols, at what wind threshold, and who is liable when nobody gets to them in time. If the submittal does not answer those three, the risk sits with the owner, not the manufacturer.
For coastal projects with high wind requirements, Solanox is the only line in the range whose published threshold sits far enough out to avoid relying on a daily closing routine.
Six questions before approving any shade system
Use these with any supplier, ours included.
- What wind speed is this system rated for?
- Which manufacturer document carries that number?
- Which anchoring method does that number assume?
- Does the warranty cover wind damage?
- Which maintenance conditions void the warranty?
- Where does it ship from, and what is the lead time?
Need the technical pack for a live project?
Terra Nova is TUUCI's authorised dealer in Vietnam, under Petek Atelier JSC. We can send data sheets by model code, the full warranty documentation, and advise on line selection against your site's wind conditions. Naming the project and its location gets you a faster answer.